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Journal articles on the topic 'Morphology of the stomach'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Kot, T., and O. Pysanko. "Peculiarities of the morphology of the fish stomach." Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 27, no. 117 (2025): 108–13. https://doi.org/10.32718/nvlvet11715.

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The stomach of fish provides the first stages of food digestion, as well as adaptation to specific ecosystems and food resources, which is important for the ecology and protection of fish biodiversity. studying the structure of the stomach at the macro- and microscopic level is one of the urgent problems of ichthyomorphology, veterinary and Fisheries practice. However, modern studies on the morphology of the stomach of fish are mainly devoted to pathological changes in infectious and invasive diseases, the impact of adverse environmental factors, conditions of detention, and anthropogenic load

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2

Bae, Jong-Myon, Hyun-Wook Kang, Weon young Chang, Seong-Chul Hong, and Sang-Yi Lee. "Characteristics of Sites and Morphology of the stomach cancer incidents in Jejudo, 2000." Journal of Medicine and Life Science 2, no. 1 (2004): 69–72. http://dx.doi.org/10.22730/jmls.2004.2.1.69.

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Objectives: The aim of this study is to describe the distribution of sites and morphologic findings of the stomach cancer in Jejudo.Methods: From the Jejudo Regional Cancer Registry databases, the subjects were constructed by condition of the incidents of stomach cancer in 2000 among Jejudo residents. The databases also supplied the individual information of the topology and morphology on subjects.Results: The order of ranks in the topology and morphology of stomach cancer was nearly same as that of Korea Central Cancer Registry databases, which represented the nationwide condition of cancer i

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3

Pardiñas, Ulyses F. J., Carola Cañón, Carlos A. Galliari, et al. "Gross stomach morphology in akodontine rodents (Cricetidae: Sigmodontinae: Akodontini): a reappraisal of its significance in a phylogenetic context." Journal of Mammalogy 101, no. 3 (2020): 835–57. http://dx.doi.org/10.1093/jmammal/gyaa023.

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Abstract Akodontini, the second largest tribe within sigmodontine rodents, encompasses several stomach morphologies. This is striking because most sigmodontine groups of comparable taxonomic rank are very conservative in this respect. Based on extensive sampling of newly dissected specimens (213 stomachs representing 36 species), as well as published examples, covering almost all akodontine living genera (15 of 16), we undertook a reappraisal of the gross morphology of this organ. We then mapped this information, together with gallbladder occurrence, in a refined multilocus molecular phylogeny

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4

Lima, André Luis de Sousa Nogueira, Thamara Cozzi Gonçalves, Érika Renata Branco, et al. "Morphology of the Stomach of Tayra (Eira barbara)." Acta Scientiae Veterinariae 46, no. 1 (2018): 6. http://dx.doi.org/10.22456/1679-9216.84087.

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Background: The Tayra (Eira barbara) is a mammal of the family Mustelidae with a significant presence in Latin America, it is considered an opportunist and extremely agile omnivorous. Some organs compose the digestive system and the stomach is a substantial organ for this system. The stomach have a small and a large curvature and the regions of the cardia, fundus, body and pylorus. Histologically, the stomach is made up of four layers or tunics that contributes in digestive functions. However, due the limited information available in the literature about morphophysiology of wildlife, this stud

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5

Jaipal CH, Subhadra Devi Velichety, and Thyagaraju K. "GESTATIONAL AGE-WISE AND SEX-WISE MORPHOLOGY OF HUMAN FOETAL STOMACH." International Journal of Anatomy and Research 4, no. 4.3 (2016): 3199–202. http://dx.doi.org/10.16965/ijar.2016.438.

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6

Nouh, Doaa S., Maha S. Kilany, Nagwa Ibrahim, Eman H. Elsheikh, and Esraa Elsheikh. "GATA4 Gene Expression Pattern and Stomach Histogenesis in White New Zealand Rabbit Fetus (Oryctolagus cuniculus)." World's Veterinary Journal 15, no. 2 (2025): 229–37. https://doi.org/10.54203/scil.2025.wvj25.

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There is a scarcity of published data regarding embryonic development in rabbits. The current study was conducted to evaluate the development of the stomach in rabbit fetuses and the expression of the transcription factor GATA4 during different stages of development. This study was conducted on 40 rabbit fetuses for morphology, histology, and GATA4 expression. The rabbits used were seemingly healthy white New Zealand pregnant females (aged 1.5- 3 years and weighing 2- 4.5 kg). The morphology and histology of rabbit fetuses' stomachs (22 fetuses) were examined using a light microscope on days 1

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7

Butkiewicz, Aleksander F., and Artur Skowroński. "Anatomical structure of the stomach of the common pheasant (Phasianus colchicus)." Medical Journal of Cell Biology 12, no. 3 (2024): 94–100. http://dx.doi.org/10.2478/acb-2024-0014.

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Abstract In this article, an analysis of the normal anatomy of the stomach of the common pheasant (Phasianus colchicus) is presented. The material covered 20 female common pheasants from poultry breeding. A necropsy of the deceased animals was performed, and then the stomachs were removed, analyzed, and measured for length, width, thickness of the walls, and characteristic anatomical features. The measurements were made using a caliper. The presented results include the stomach and proventriculus, focusing on their specificity, such as the strongly developed muscular membrane of the type II st

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8

Min, Yue, Shibao Wu, and Fuhua Zhang. "The Stomach Morphology and Contents of the Chinese Pangolin (Manis pentadactyla)." Journal of Zoo Biology 3, no. 1 (2020): ACCEPTED. http://dx.doi.org/10.33687/zoobiol.003.01.2874.

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To better understand the critically endangered Chinese pangolin (Manis pentadactyla)’s adaptation to highly specialized prey, and to enrich the acknowledge of this species’ natural dietary, we performed anatomic observation and contents analysis on the stomach of an accidental death of Chinese pangolin. The stomach is C-shaped and consists of the cardia, fundus, body, and pylorus, weight 136.5 g, volume 120 mL, and the curve length of lesser and greater curvatures is 9.1 cm and 25.1 cm, respectively. The inner wall of the stomach is covered with the milky layer of mucosa which forms 9–10 spira

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9

HAWASS, NOUR-EL-DIN, MOHAMMED G. AL-BADAWI, JAMAL A. FATANI, ABO-ALAZIZ MESHARI, and YASEEN B. EDREES. "Morphology and Growth of the Fetal Stomach." Investigative Radiology 26, no. 11 (1991): 998–1004. http://dx.doi.org/10.1097/00004424-199111000-00014.

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10

Morton, Brian, and Sanja Puljas. "An improbable opportunistic predator: the functional morphology ofPinna nobilis(Bivalvia: Pterioida: Pinnidae)." Journal of the Marine Biological Association of the United Kingdom 99, no. 2 (2018): 359–73. http://dx.doi.org/10.1017/s0025315418000267.

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The functional morphology ofPinna nobilisis described, with special reference to the uniquely pinnid pallial organ, the similarly unique buccal (formerly pallial) gland, the stomach and its contents. The pallial gland produces sulphuric acid which as well as functioning as a shell cleaning swab may be involved in prey capture. The buccal gland discharging into the oesophagus has proteolytic digestive functions while the stomach is adapted for the reception and digestion of captured, mucous-bound, mesozooplanktonic and epi- and endo-benthic, prey items.Pinna nobilisis thus not simply either an

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11

Langer, Peter, and Marcus Clauss. "Morphological adaptation of the eutherian gastrointestinaltract to diet." Vertebrate Zoology 68, no. 3 (2018): 237–52. http://dx.doi.org/10.3897/vz.68.e31612.

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Although adaptations of the gastrointestinal tract to diet have been widely documented, statistical evaluations of corresponding correlations between diet and morphology are scarce. We use a dataset that scores the complexity of the stomach, caecum and colon in 599 Eutherian species, with a higher complexity score indicating a higher degree of macroanatomical differentiation, and link these data to information on body mass and the estimated fibre content of the natural diet, controlling for phylogeny. The results indicate that dietary niche differentiation occurs along, rather than within, maj

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Langer, Peter, and Marcus Clauss. "Morphological adaptation of the eutherian gastrointestinaltract to diet." Vertebrate Zoology 68 (November 20, 2018): 237–52. https://doi.org/10.3897/vz.68.e31612.

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Although adaptations of the gastrointestinal tract to diet have been widely documented, statistical evaluations of corresponding correlations between diet and morphology are scarce. We use a dataset that scores the complexity of the stomach, caecum and colon in 599 Eutherian species, with a higher complexity score indicating a higher degree of macroanatomical differentiation, and link these data to information on body mass and the estimated fibre content of the natural diet, controlling for phylogeny. The results indicate that dietary niche differentiation occurs along, rather than within, maj

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13

Langer, P., and M. Clauss. "Morphological adaptation of the eutherian gastrointestinal tract to diet." Vertebrate Zoology 68 (June 7, 2018): 237–52. https://doi.org/10.5167/UZH-157906.

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Although adaptations of the gastrointestinal tract to diet have been widely documented, statistical evaluations of corresponding correlations between diet and morphology are scarce. We use a dataset that scores the complexity of the stomach, caecum and colon in 599 Eutherian species, with a higher complexity score indicating a higher degree of macroanatomical differentiation, and link these data to information on body mass and the estimated fibre content of the natural diet, controlling for phylogeny. The results indicate that dietary niche differentia- tion occurs along, rather than within, m

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14

Lynegaard, Julie C., Janni Hales, Marlene N. Nielsen, Christian F. Hansen, and Charlotte Amdi. "The Stomach Capacity is Reduced in Intrauterine Growth Restricted Piglets Compared to Normal Piglets." Animals 10, no. 8 (2020): 1291. http://dx.doi.org/10.3390/ani10081291.

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Selection for increased litter sizes have decreased the average birth weight of piglets and up to 30% of newborn piglets in Danish herds show signs of intrauterine growth restriction (IUGR). It has been reported that around 48% of liveborn piglets dying between birth and weaning have empty stomachs, and that IUGR piglets do not ingest the recommended amount of colostrum to survive. The aim of this study was to investigate how much colostrum could be administrated depending on whether they were IUGR compared to normal piglets. Seventy-two piglets within 24 h of farrowing were classified as eith

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15

Nivedita, Roy, and Roy Sagnik. "Human foetal stomach : a morphological study." National Journal of Clinical Anatomy 02, no. 02 (2013): 075–81. http://dx.doi.org/10.1055/s-0039-3401705.

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Abstract Background and aims : The morphology of human stomach is subjected to wide variations and changes during developmental stage. Congenital anomalies of stomach like hypertrophic pyloric stenosis and thoracic stomach are common in new barns. Some rare anomalies like duplication, diverticula and hypoplasia of stomach also may occur. The present study attempts to analyze the morphological changes like change in shape, height, width, length of greater and lesser curvatures, capacity and localization of stomach in the quadrants of abdomen in different age groups of human foetuses and also to

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16

Wang, Ran, Fangrui Lou, Pei Yang, Shengyao Qiu, and Lei Wang. "Morphology and Histology of the Digestive System of Japanese Mantis Shrimp (Oratosquilla oratoria)." Fishes 10, no. 2 (2025): 71. https://doi.org/10.3390/fishes10020071.

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This study investigated the characteristics of the digestive system in adult Japanese mantis shrimp (Oratosquilla oratoria), which is a species of carnivorous crustacean, with a focus on morphological and histological analysis. The digestive system of O. oratoria includes the mouthparts, the esophagus, cardiac stomach, pyloric stomach, midgut, hindgut, anus and hepatopancreas. The histological structure of each organ is composed of the mucosal epithelial layer, submucous layer, muscularis, and outer membrane. Besides, the foregut is covered with a diverse chitinous layer. The labrum is densely

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17

Ghoshal, N. G., and H. S. Bal. "Comparative morphology of the stomach of some laboratory mammals." Laboratory Animals 23, no. 1 (1989): 21–29. http://dx.doi.org/10.1258/002367789780886911.

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Histomorphology of the stomach of mouse, rat, hamster, guineapig, gerbil, and rabbit was studied. Although a common structural basis existed in the stomach between these species, the occurrence and distribution of various cells in gastric glands differed considerably between them. In mice, rats, hamsters and gerbils, the lower one-third of the glandular lamina propria was seemingly occupied by a varying proportion of parietal and chief cells. In rabbits, the predominantly occurring chief cells were distributed in the lower three-quarters of the glands intermingling with parietal cells, but in

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18

Тохтыев, И. Т., та Д. А. Шаршенбиев. "Морфология иммунных структур в стенках желудка человека". Scientific and practical journal Healthcare of Kyrgyzstan, № 4 (10 лютого 2025): 25–32. https://doi.org/10.51350/zdravkg2024.4.12.3.25.32.

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Введение. Актуальные научные данные по теме лимфоидных образований в стенках желудка, предположения различных авторов об их связи с инфекцией Хеликобактер пилори. Ссылки на научные работы по данным темам. Имеющиеся пробелы в изучении лимфоидных образований желудка. Цель исследования. Выявить наличие или отсутствие лимфоидных образований в стенках желудка человека в норме. Если они есть, описать их топографию, размеры и количество. Узнать, связаны ли имеющиеся лимфоидные образования с инфицированием органа бактерией Хеликобактер пилори. Материалы и методы. Использован новый метод выявления имму

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19

Torres, Maria Fernanda Pioli, Carolina Pulido Arce, Felipe Mateus Franco, et al. "Production of 3D-printed ovine stomach models for animal anatomy education." CONTRIBUCIONES A LAS CIENCIAS SOCIALES 17, no. 1 (2024): 1339–52. http://dx.doi.org/10.55905/revconv.17n.1-073.

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The traditional teaching of Anatomy requires the use of cadaveric pieces that are often difficult to obtain, preserve and maintain. In this sense, additive manufacturing (AM), also known as 3D printing, can be a useful tool since it makes it possible to produce synthetic models from real anatomical structures. The main goal of this work was to develop anatomical models of an ovine stomach by 3D modeling and printing. A conserved ovine stomach was computed tomography scanned and the anatomical images obtained were reconstructed from the DICOM files using the InVesalius software and used for mod

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20

Rossi, Juliana Regina, Silvana Martinez Baraldi-Artoni, Daniela Oliveira, Claudinei da Cruz, Vanessa Sobue Franzo, and Alex Sagula. "Morphology of glandular stomach (Ventriculus glandularis) and muscular stomach (Ventriculus muscularis) of the partrigde Rhynchotus rufescens." Ciência Rural 35, no. 6 (2005): 1319–24. http://dx.doi.org/10.1590/s0103-84782005000600014.

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Twenty adult partridges Rhynchotus rufescens were used for morphologic and histological study. The materials destined to the morphologic study were collected and the lengths of the glandular stomach and of the muscular stomach were measured. For the histological study, fragments of the glandular stomach (gastric proventriculus, Ventriculus glandularis) and of the muscular stomach (gastric ventriculus, Ventriculus muscularis) were stained routinely with periodic acid-Schiff (PAS) and Masson’s trichrome stain. Glandular stomach is prolonged, with a fusiform format toward craniocaudalis and for t

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21

Chartakov, Kakhramon Chartakovich, Halima Khakimjonovna Chartakova, and Zaynobiddin Inomjonovich Bulishov. "INTRAORGAN LYMPHATIC SYSTEM OF THE SMALL INTESTINE WALL AFTER GASTRIC RESECTION." Eurasian Journal of Academic Research 1, no. 4 (2021): 201–6. https://doi.org/10.5281/zenodo.5164415.

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Morphology of intestinal lyumphatig vessels were stuchied after different resections of 2/3 of stomach on 16 experiments on dogs. Analyses were hold after stomach resections 3,7,15,30,45,60,90,180 and 360 during tventy four hours. Experimental enaminations showed that lymphatig capillaries` and vessels` diametr extend, different shaped and sized tumours and nen anastomosis appear in walls of capillaries. So, the changes in the system of intestinal lympha and their restoument and its compensator-accomodation reaction dependson ways of stomach resection, they differ from each other on varions wa

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22

KAMALOVA, Malika Ilhomovna, and Shakhnoza Kuchkarovna SHARIFOVA. "MORPHOLOGICAL CHANGES IN THE STOMACH OF RATS EXPOSED TO ETHANOL IN THE POSTNATAL PERIOD." Journal of biomedicine and practice 7, no. 2 (2022): 142–48. https://doi.org/10.5281/zenodo.6589118.

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Purpose of the study: study of morphological changes in the stomach of rats under the influence of ethanol in the postnatal period Material and methods:During our research we used morphological and electron-microscopic methods of investigation. In the course of experimental studies, the effect of chronic liver disease in the mother on postnatal morphogenesis of the gastrointestinal organs of the offspring was revealed. Ten days after the last injection, males were added to females. The experimental animals were the rats aged 3, 7, 14, 21 days of life born and fed by female mothers with chronic

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23

Cosandey-Godin, Aurélie, Sandra Binning, and Lauren Chapman. "Specialized morphology for a non-specialized diet: Liem’s paradox in an African cichlid fish." McGill Science Undergraduate Research Journal 3, no. 1 (2008): 19–23. http://dx.doi.org/10.26443/msurj.v3i1.126.

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    Cichlid fishes of the East African Great Lakes represent some of the most diverse vertebrate faunas in the world, and trophic specialization, the specific adaptation of feeding structures to one type of prey, is often used to explain the coexistence of these closely related species. However, Liem’s Paradox suggests that organisms with specialized phenotypes may act primarily as generalist feeders in nature, which can create a mismatch between diet and morphology. Our goal was to study the diet of a widespread African cichlid, Astatoreochromis alluaudi, over the cour

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24

Kesler, David H., Eileen H. Jokinen, and Wayne R. Munns Jr. "Trophic preferences and feeding morphology of two pulmonate snail species from a small New England pond, U.S.A." Canadian Journal of Zoology 64, no. 11 (1986): 2570–75. http://dx.doi.org/10.1139/z86-377.

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Pseudosuccinea columella and Physa vernalis, the two dominant snail species inhabiting a small New England pond, are compared on the basis of trophic preferences and food gathering anatomy. While the composition of stomach contents of both pulmonates varied similarly over a year's time, significant differences were found between species. Pseudosuccinea individuals consumed relatively more filamentous algae and sand than did Physa, while Physa ingested a greater proportion of detritus. Pseudosuccinea appears to be omnivorous while Physa appears to be a detritivore. The jaws, radulae, and stomac

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25

LIMA, Jô de Farias, Jamile da Silva GARCIA, and Marcos TAVARES. "Foregut morphology of Macrobrachium carcinus (Crustacea, Decapoda, Palaemonidae)." Acta Amazonica 46, no. 2 (2016): 209–18. http://dx.doi.org/10.1590/1809-4392201501214.

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ABSTRACT Macrobrachium carcinus is a Brazilian native prawn with recognized potential for use in aquaculture activities. The aim of this study was to describe and illustrate in detail the morphology of the M. carcinus foregut. The foregut comprises the mouth, esophagus and stomach. It is lined by a simple cylindrical epithelium overlain by chitinous cuticle. The cardiac chamber is well supplied with muscles and lined with chitin thickened in places to form a complex, articulating set of ossicles. The ossicles and setae inside the cardiac chamber seem to direct the food movement through the car

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26

Curcio, Nadia, Andrea Tombari, and Fabiana Capitanio. "Otolith morphology and feeding ecology of an Antarctic nototheniid,Lepidonotothen larseni." Antarctic Science 26, no. 2 (2013): 124–32. http://dx.doi.org/10.1017/s0954102013000394.

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AbstractThis study is based on the analysis of the stomach content and the morphology and morphometry of the three pairs of otoliths (sagitta, asteriscus and lapillus) ofLepidonotothen larseni(Lönnberg) collected at the South Shetland Islands and Antarctic Peninsula during summer, in order to find possible relationships between ontogenetic change of sagittal otolith shape and feeding ecology. Length-weight relationship resulted in a positive allometric growth, with juveniles and adults in good nutritional condition (Le Cren condition index > 1), and with a decreasing trend from noon to late

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27

FUGI, R., A. A. AGOSTINHO, and N. S. HAHN. "Trophic morphology of five benthic-feeding fish species of a tropical floodplain." Revista Brasileira de Biologia 61, no. 1 (2001): 27–33. http://dx.doi.org/10.1590/s0034-71082001000100005.

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This study describes the morphology of the digestive apparatus and the size and organic content of the ingested food of five species of benthic-feeding fishes (Prochilodus lineatus, Steindachnerina insculpta, Loricariichthys platymetopon, Trachydoras paraguayensis e Iheringichthys labrosus). The samples were taken in the floodplain of the up Paraná River in February and August 1991. The results suggested that these species have different mouth, teeth, gill rakers, stomach and intestine length. These morphologic characteristics were related with the type, size and nutritional quality of the foo

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28

Wang, J. X., P. Li, X. T. Zhang, and L. X. Ye. "Developmental morphology study on the stomach of African ostrich chicks." Poultry Science 96, no. 7 (2017): 2006–12. http://dx.doi.org/10.3382/ps/pew504.

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Podkowa, Dagmara, and Lucyna Goniakowska-Witali?ska. "Morphology of the air-breathing stomach of the catfishHypostomus plecostomus." Journal of Morphology 257, no. 2 (2003): 147–63. http://dx.doi.org/10.1002/jmor.10102.

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García-Rosales, Aaron, Aurelio Ramírez-Bautista, and Barry P. Stephenson. "Comparative morphology and trophic ecology in a population of the polymorphic lizard Sceloporus minor (Squamata: Phrynosomatidae) from central Mexico." PeerJ 7 (November 22, 2019): e8099. http://dx.doi.org/10.7717/peerj.8099.

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Polymorphism among individuals of the same population has generally been linked to alternative reproductive tactics, where different morphs can exhibit differences in their morphological, ecological, and behavioral attributes. These differences may result in a divergence in diet between morphs due to differential exploitation of habitat, morphological differences that influence prey selection, or differential energy expenditure that results in different nutritional needs. The present study analyzes the morphology (morphometry and body mass) and diet of red and yellow male morphs in a populatio

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Gerlis, L. M., G. Durà-Vilà, and S. Y. Ho. "Isomeric arrangement of the left atrial appendages and visceral heterotaxy: two atypical cases." Cardiology in the Young 10, no. 2 (2000): 140–44. http://dx.doi.org/10.1017/s1047951100006600.

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AbstractWe present two cases in which there was isomeric arrangement oi the left atrial appendages in association with multiple spleens and complete heart block. In both of these, the venous connections were normal. In one case the arrangement of the bronchial tree and the lungs was normal, the liver was left-sided, and the stomach was right-sided. In the other case, there was left isomeric broncho-pulmonary morphology, and both liver and stomach were right-sided. These unusual combinations show the need for full description of the morphology of other organs, and the venoatrial connections, in

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Peretti, D., and IF Andrian. "Feeding and morphological analysis of the digestive tract of four species of fish (Astyanax altiparanae, Parauchenipterus galeatus, Serrasalmus marginatus and Hoplias aff. malabaricus) from the upper Paraná River floodplain, Brazil." Brazilian Journal of Biology 68, no. 3 (2008): 671–79. http://dx.doi.org/10.1590/s1519-69842008000300027.

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The present study is inspired by the great wealth of species exhibited by the ichthiofauna. Not only concepts and techniques of ecology deserve attention, but also knowledge in other biological areas, such as zoology and anatomy, are necessary. The intention of the present work is to discover the morphology of fish through the study of the digestive tract morphology, associating it to diet data, in order to better understand the biology of four fish species of the upper Paraná River floodplain. The samples were collected quarterly in the year 2000 with gillnets of different meshes. The stomach

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Shcherbakov, I. T., N. I. Leont'ieva, V. S. Filippov, N. M. Grachyova, A. I. Solov'yova, and N. A. Vinogradov. "THE MORPHOLOGY OF THE INFLAMMATION OF THE GASTRIC AND DUODENUM MUCOSA WITH HELICOBACTER PYLORI CONTAMINATION." Morphological newsletter 27, no. 3 (2019): 39–45. http://dx.doi.org/10.20340/mv-mn.2019(27).3.39-45.

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The aim of the study was to study the morphological features of the inflammatory processes of the mucous membrane of various parts of the stomach and duodenum in patients with chronic gastritis and duodenitis. 24 patients (18 men and 6 women) were observed with chronic gastritis and duodenitis associated with Helicobacter pylori. The average age of the patients was 47 years. 120 biopsy samples of the mucosa of different parts of the stomach and duodenum were studied using histological, histochemical, morphometric and microbiological methods. Histological and microbiological examination of biop

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Quezada-Villa, Katia, Zachary J. Cannizzo, Jade Carver, et al. "Predicting diet in brachyuran crabs using external morphology." PeerJ 11 (April 10, 2023): e15224. http://dx.doi.org/10.7717/peerj.15224.

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Morphological traits have often been used to predict diet and trophic position of species across many animal groups. Variation in gut size of closely related animals is known to be a good predictor of dietary habits. Species that are more herbivorous or that persist on low-quality diets often have larger stomachs than their carnivorous counterparts. This same pattern exists in crabs and in most species, individuals exhibit external markings on the dorsal side of their carapace that appear to align with the position and size of their gut. We hypothesized that these external markings could be us

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Lima-Gomes, Célio Magalhães Renata C. "Comparative morphology of the stomach ossicles of four freshwater crabs species of Dilocarcinini (Crustacea, Decapoda, Trichodactylidae)." Nauplius 26 (December 3, 2018): 1–13. https://doi.org/10.1590/2358-2936e2018024.

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Lima-Gomes Célio Magalhães, Renata C. (2018): Comparative morphology of the stomach ossicles of four freshwater crabs species of Dilocarcinini (Crustacea, Decapoda, Trichodactylidae). Nauplius (e2018024) 26: 1-13, DOI: 10.1590/2358-2936e2018024, URL: https://doi.org/10.1590/2358-2936e2018024

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Altaet, Omar Younis, Ali Ahmed Hasan, Shahad Amer Rajab, and Alaa Maan Jebur. "Histomorphometric and Microscopic Assessment of Gastric Mucosa in Guinea pig and White Rat Models." Cluj Veterinary Journal 30, no. 1 (2025): 16–18. https://doi.org/10.52331/cvj.v30i1.52.

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The understanding of rodent gastrointestinal morphology is important for several medical applications, including experimental surgical procedures, the diagnosis of gastric disorders, and providing information about diet adaptation and gut physiology. Therefore, the present study aimed to investigate the anatomical, morphometric, and microscopic characteristics of the gastric mucosa in adult guinea pigs and white rats. Stomachs from five healthy adult guinea pigs (Cavia porcellus) and five white rats (Rattus norvegicus) were collected and preserved in 10% formalin. The samples were later proces

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Vdoviaková, Katarína, Eva Petrovová, Marcela Maloveská, et al. "Surgical Anatomy of the Gastrointestinal Tract and Its Vasculature in the Laboratory Rat." Gastroenterology Research and Practice 2016 (2016): 1–11. http://dx.doi.org/10.1155/2016/2632368.

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The aim of this study was to describe and illustrate the morphology of the stomach, liver, intestine, and their vasculature to support the planning of surgical therapeutic methods in abdominal cavity. On adult Wistar rats corrosion casts were prepared from the arterial system and Duracryl Dental and PUR SP were used as a casting medium and was performed macroscopic anatomical dissection of the stomach, liver, and intestine was performed. The rat stomach was a large, semilunar shaped sac with composite lining. On the stomach was very marked fundus, which formed a blind sac (saccus cecus). The r

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Viozzi, M. Florencia, Juan M. Cabrera, Federico Giri, Débora de Azevedo Carvalho, and Verónica Williner. "Ontogenetic shifts in natural diet, chelae, and mandibles of the omnivorous freshwater crab Aegla uruguayana: linking morphology and function." Canadian Journal of Zoology 99, no. 8 (2021): 625–41. http://dx.doi.org/10.1139/cjz-2020-0290.

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We analyze whether ontogenetic diet change in Aegla uruguayana Schmitt, 1942 is related to the morphological changes in chelae and mandibles. We use a combination of scanning electron microscope (SEM) observation, dietary composition analysis (stomach observation, trophic niche amplitude, trophic overlap, and feeding strategy), and geometric morphometric tools (discriminant analysis and two-block partial least squares analysis). The two structures analyzed by SEM show differences between juvenile and adult specimens, both in their cuticle and morphology specializations. In juveniles, the absen

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Richardson, KC, and NJ Gales. "Functional-Morphology of the Alimentary-Tract of the Australian Sea-Lion, Neophoca-Cinerea." Australian Journal of Zoology 35, no. 3 (1987): 219. http://dx.doi.org/10.1071/zo9870219.

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The form and topographic relationships of the alimentary tract of Neophoca cinerea is described based on dissection and radiography. A highly distensible oesophagus enters the dorsum of a large J-shaped stomach. The small intestine is long, circa 20 m, and the large intestine short, circa 1.2 m. Marker pellets (approximate diameter 1 or 3 mm) administered orally were generally found in faecal deposits containing, principally, coarse particles, i.e. of diameter greater than 1.2 mm. Most faecal deposits consisted of fine particles, i.e. with a diameter primarily of less than 1.2 mm. About 50% of

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Lima-Gomes, Renata C., Farias Lima Jô de, and Célio Magalhães. "Description of ten additional ossicles in the foregut of the freshwater crabs Sylviocarcinus pictus and Valdivia serrata (Decapoda: Trichodactylidae)." Zoologia 34 (June 13, 2017): 1–7. https://doi.org/10.3897/zoologia.34.e13731.

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The morphology of stomach ossicles of decapod crustaceans provides valuable information on their phylogeny and biology. We herein described ten new ossicles in the foreguts of two trichodactylid crabs, Sylviocarcinus pictus (H. Milne-Edwards, 1853) and Valdivia serrata White, 1847, in addition to previously described 38 ossicles, which are also recognized and listed. Five specimens each of S. pictus and V. serrata were selected for morphological analysis of gastric ossicles. The stomachs were obtained after removing the carapace, and they were fixed in 10% formalin for 24 hours. After this pro

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de La Barra, Paula, Maite Narvarte, and Verónica Williner. "Functional morphology of the gastric mill of the swimming crab Ovalipes trimaculatus (Decapoda: Portunidae)." Journal of the Marine Biological Association of the United Kingdom 98, no. 7 (2017): 1659–66. http://dx.doi.org/10.1017/s0025315417000844.

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The stomach of Decapod crustaceans is a complex structure with great interspecific variation. Several studies suggest that the anatomy of the gastric mill varies according to the diet of species in different groups. An alternative view suggests the gastric mill's structure is related to phylogenetic aspects rather than to the diet of a species. The morphology of the gastric mill of Ovalipes trimaculatus, a portunid crab target of fisheries in Argentina and Chile, was studied through stereo-microscope and scanning electron microscope images. Ovalipes trimaculatus has a stomach that corresponds

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Domínguez-Cisneros, Sara Elizabeth, Abraham Kobelkowsky, and Ernesto Velázquez-Velázquez. "Trophic morphology and diet of the endangered fish Tlaloc hildebrandi (Cyprinodontiformes: Profundulidae)." Revista de Biología Tropical 71, no. 1 (2023): e54253. http://dx.doi.org/10.15517/rev.biol.trop..v71i1.54253.

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Introduction: Tlaloc hildebrandi is a freshwater killifish, endemic to southern Mexico and under threat of extinction; the knowledge of the trophic morphology and diet is needed by conservation managers. Objective: To analyse and describe the anatomy of the visceral skeleton, visceral musculature, digestive tract and its adjoining glands; as well as the diet. Methods: The trophic anatomy was performed on 20 adult specimens of both sexes, through the manual dissection; and stomach contents analysis was performed in 60 individuals to describe the diet. Results: As notable characters of the visce

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Li, Xin-Yu, Thomas Pape, Doug Colwell, Charles Dewhurst, and Dong Zhang. "Three-dimensional characterization of first instar horse and rhinoceros stomach bot fly larvae (Oestridae: Gasterophilinae: Gasterophilus, Gyrostigma): novel morphology and evolutionary implications." Zoological Journal of the Linnean Society 193 (December 29, 2020): 939–52. https://doi.org/10.1093/zoolinnean/zlaa164.

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Li, Xin-Yu, Pape, Thomas, Colwell, Doug, Dewhurst, Charles, Zhang, Dong (2020): Three-dimensional characterization of first instar horse and rhinoceros stomach bot fly larvae (Oestridae: Gasterophilinae: Gasterophilus, Gyrostigma): novel morphology and evolutionary implications. Zoological Journal of the Linnean Society 193: 939-952, DOI: 10.1093/zoolinnean/zlaa164

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Toya, Yosuke, Makoto Eizuka, and Takayuki Matsumoto. "Submucosal Tumor of the Stomach With Drastic, Short-term Changes in Morphology." Gastroenterology 153, no. 2 (2017): 357–59. http://dx.doi.org/10.1053/j.gastro.2017.01.060.

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Vrabcova, Michaela, Livia Mikuska, Rastislav Vazan, Michal Miko, Ivan Varga, and Boris Mravec. "Effect of chronic intake of liquid nutrition on stomach and duodenum morphology." Acta Histochemica 118, no. 4 (2016): 435–42. http://dx.doi.org/10.1016/j.acthis.2016.04.006.

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Murray, Harry M., Glenda M. Wright, and Gregory P. Goff. "A comparative histological and histochemical study of the stomach from three species of pleuronectid, the Atlantic halibut, Hippoglossus hippoglossus, the yellowtail flounder, Pleuronectes ferruginea, and the winter flounder, Pleuronectes americanus." Canadian Journal of Zoology 72, no. 7 (1994): 1199–210. http://dx.doi.org/10.1139/z94-161.

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The morphology and the histochemistry of the mucus of the pleuronectid stomach were examined using light and electron microscopy. The stomach of the winter flounder (Pleuronectes americanus) and the yellowtail flounder (Pleuronectes ferruginea) possessed a glandular or cardiac region and an aglandular or pyloric region, whereas the stomach of the Atlantic halibut (Hippoglossus hippoglossus) was entirely glandular in nature. The epithelia of the glandular region in all three species could be divided into three distinct zones based upon ultrastructural differences in the cell types present. Zone

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Ashish B. Wadekar, Minakshee G. Nimbalwar, Wrushali A. Panchale, Bhushan R. Gudalwar, Jagdish V. Manwar, and Ravindra L. Bakal. "Morphology, phytochemistry and pharmacological aspects of Carica papaya, an review." GSC Biological and Pharmaceutical Sciences 14, no. 03 (2021): 234–48. http://dx.doi.org/10.30574/gscbps.2021.14.3.0073.

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Present review focuses on theMorphology, phytochemistry and pharmacological aspects of Carica papaya (Linn). The plant is well known to us since ancient time. The plants are traditionally used to treat several conditions such as stomach disorders, diarrhea, skin diseases, male contraceptives, and home remedies for colds. Phytochemically, the whole plant contains lycopene, carotenoids, alkaloids, monoterpenoids, flavonoids, mineral, vitamins enzyme papain. This nutritious fruits feed the body and immune system. Various medicinal properties attributed to the plant and parts thereof includes anti

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Imeri, Miranda, and Krisztián Katona. "Sexual differences in morphology and winter diet of the Eurasian magpie (Pica pica) in Hungary." Columella : Journal of Agricultural and Environmental Sciences 9, no. 2 (2022): 113–21. http://dx.doi.org/10.18380/szie.colum.2022.9.2.113.

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Eurasian magpie (Pica pica) is a widely distributed, common species of the Corvidae family. Since magpies have lived close to humans for centuries, we have much information about the species. However, there are few data about morphological and dietary differences between sexes, primarily due to their monomorphic and omnivorous, and opportunistic characteristics. The aim of the study was to analyse the sexual differences in the morphological characteristics, simultaneously provide the body measurements for both sexes with a high level of accuracy and determine the diet composition through stoma

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Nakamura, Eiji, Takashi Kataoka, Kazuharu Furutani, et al. "Lack of histamine alters gastric mucosal morphology: comparison of histidine decarboxylase-deficient and mast cell-deficient mice." American Journal of Physiology-Gastrointestinal and Liver Physiology 287, no. 5 (2004): G1053—G1061. http://dx.doi.org/10.1152/ajpgi.00353.2003.

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Histamine plays an important role in the regulation of gastric acid secretion; however, its role in maintenance of gastric morphology remains unclear. To clarify the necessity of histamine for gastric mucosal development and maintenance, we evaluated two different kinds of mice that lacked either mast cells (one of the gastric histamine-producing cell types) or histidine decarboxylase (HDC; a histamine-synthesizing enzyme). Measurements of stomach weight, intragastric pH, mucosal histamine levels, as well as serum gastrin and albumin levels were performed in mice. Gastric mucosal appearance wa

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Ashish, B. Wadekar, G. Nimbalwar Minakshee, A. Panchale Wrushali, R. Gudalwar Bhushan, V. Manwar Jagdish, and L. Bakal Ravindra. "Morphology, phytochemistry and pharmacological aspects of Carica papaya, an review." GSC Biological and Pharmaceutical Sciences 14, no. 3 (2021): 234–48. https://doi.org/10.5281/zenodo.4664129.

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Present review focuses on theMorphology, phytochemistry and pharmacological aspects of <em>Carica papaya </em>(Linn). The plant is well known to us since ancient time. The plants are traditionally used to treat several conditions such as stomach disorders, diarrhea, skin diseases, male contraceptives, and home remedies for colds. Phytochemically, the whole plant contains lycopene, carotenoids, alkaloids, monoterpenoids, flavonoids, mineral, vitamins enzyme papain. This nutritious fruits feed the body and immune system. Various medicinal properties attributed to the plant and parts th

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