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Relevant bibliographies by topics / Proglottids

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Academic literature on the topic 'Proglottids'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Proglottids"

1

Pappas, P. W. "Allometric growth of the proglottids and strobila of the tapeworm, Hymenolepis diminuta." Journal of Helminthology 74, no. 3 (2000): 259–65. http://dx.doi.org/10.1017/s0022149x00000378.

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AbstractHymenolepis diminuta adults were killed and fixed in fully extended positions, and the total lengths of the strobilae, numbers of proglottids, and distances of proglottids along the strobilae were determined. The relationship of proglottid number to distance along the strobila was exponential. Beginning at proglottid 100 (P100), the lengths and widths of proglottids at 100 proglottid intervals were determined, and the surfaces areas were calculated. The relationships of proglottid length and width to proglottid number were linear, but the relationship of proglottid number to surface ar

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Pappas, P. W. "Allometric growth of the proglottids and strobila of the tapeworm, Hymenolepis diminuta." Journal of Helminthology 74, no. 3 (2000): 259–65. http://dx.doi.org/10.1017/s0022149x0070099x.

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AbstractHymenolepis diminuta adults were killed and fixed in fully extended positions, and the total lengths of the strobilae, numbers of proglottids, and distances of proglottids along the strobilae were determined. The relationship of proglottid number to distance along the strobila was exponential. Beginning at proglottid 100 (P100), the lengths and widths of proglottids at 100 proglottid intervals were determined, and the surfaces areas were calculated. The relationships of proglottid length and width to proglottid number were linear, but the relationship of proglottid number to surface ar

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Nicholas Jairo Kavana. "The description of adult worm of Spirometra species: A Pseudophyllidean tapeworm." Open Access Research Journal of Biology and Pharmacy 6, no. 1 (2022): 076–80. http://dx.doi.org/10.53022/oarjbp.2022.6.1.0071.

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A complete life-cycle of Spirometra sp. was carried out in the laboratory of Institute of Postgraduate Studies, University of Malaya, Malaysia. The life-cycle started in from the egg to adult stage. The 4 adult worms of Spirometra recovered from experimentally infected cats were used for description after staining the scolex and proglottids with Alum-carmine. The entire strobila measured 15.0-53.5cm long. The scolex was spatulate with two bothria both sides, neck long and mature proglottids had 3 genital pores: cirrus, vaginal and uterine at separate sites. Uterus was located in the middle of

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Zaragoza-Tapia, Francisco, Griselda Pulido-Flores, Juan Violante-González, and Scott Monks. "Two new species of Acanthobothrium Blanchard, 1848 (Onchobothriidae) in Narcine entemedor Jordan & Starks, 1895 (Narcinidae) from Acapulco, Guerrero, Mexico." ZooKeys 852 (June 5, 2019): 1–21. http://dx.doi.org/10.3897/zookeys.852.28964.

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Two species ofAcanthobothrium(Onchoproteocephalidea: Onchobothriidae) are described from the spiral intestine ofNarcineentemedorJordan &amp; Starks, 1895, in Bahía de Acapulco, Acapulco, Guerrero, Mexico. Based on the four criteria used for the identification of species ofAcanthobothrium,A.soniaesp. nov.is a Category 2 species (less than 15 mm in total length with less than 50 proglottids, less than 80 testes, and with the ovary asymmetrical in shape).Acanthobothriumvidalisp. nov.is a Category 6 species (more than 15 mm in total length with more than 50 proglottids, fewer than 80 testes, a

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Conn, David Bruce. "Scanning electron microscopy and histochemistry of embryonic envelopes of the porcupine tapeworm, Monoecocestus americanus (Cyclophyllidea: Anoplocephalidae)." Canadian Journal of Zoology 63, no. 5 (1985): 1194–98. http://dx.doi.org/10.1139/z85-178.

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Eggs of Monoecocestus americanus (Stiles 1895), a tapeworm of North American porcupines, were studied with regard to the basic structure of embryonic envelopes. Observations were made by light microscopy of whole eggs and scanning electron microscopy of eggs within cryofractured gravid proglottids. Concomitant histochemical tests were made on eggs and gravid proglottids embedded and sectioned in methacrylate plastic. The gravid uterus had numerous diverticula, each containing several eggs. The uterine lumen was filled with a material positive for nonsulfated acid mucopolysaccharides. The mater

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Zaragoza-Tapia, Francisco, Griselda Pulido-Flores, Juan Violante-González, and Scott Monks. "Two new species of Acanthobothrium Blanchard, 1848 (Onchobothriidae) in Narcine entemedor Jordan & Starks, 1895 (Narcinidae) from Acapulco, Guerrero, Mexico." ZooKeys 852 (June 5, 2019): 1–21. https://doi.org/10.3897/zookeys.852.28964.

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Two species of Acanthobothrium (Onchoproteocephalidea: Onchobothriidae) are described from the spiral intestine of Narcine entemedor Jordan & Starks, 1895, in Bahía de Acapulco, Acapulco, Guerrero, Mexico. Based on the four criteria used for the identification of species of Acanthobothrium, A. soniae sp. nov. is a Category 2 species (less than 15 mm in total length with less than 50 proglottids, less than 80 testes, and with the ovary asymmetrical in shape). Acanthobothrium vidali sp. nov. is a Category 6 species (more than 15 mm in total length with more than 50 proglottids, fewer than 80

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MENORET, ADRIANA, and VERÓNICA A. IVANOV. "Cestodes of Pseudobatos horkelii (Müller and Henle) (Rhinopristiformes) including Rhinebothrium quequense n. sp. (Rhinebothriidea) and Caulobothrium pieroi n. sp. (“Tetraphyllidea”) from the southwestern Atlantic." Zootaxa 5361, no. 1 (2023): 87–102. http://dx.doi.org/10.11646/zootaxa.5361.1.4.

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Two new species of cestodes were described from the Brazilian guitarfish, Pseudobatos horkelii (Müller and Henle) (Rhinopristiformes: Rhinobatidae), from coastal waters off Argentina in the southwestern Atlantic Ocean. Rhinebothrium quequense n. sp. (Rhinebothriidea) differs from its congeners by a combination of morphological characters, including the total number of loculi, the absence of loculi at the level of bothridial constriction, the number of testes per proglottid, and the number of proglottids per worm. Caulobothrium pieroi n. sp. (“Tetraphyllidea”) can be distinguished from the othe

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Ewart, Michael J., and J. Daniel McLaughlin. "Retinometra albeolae n.sp. (Cestoda: Hymenolepididae) from the bufflehead duck, Bucephala albeola L." Canadian Journal of Zoology 68, no. 6 (1990): 1086–89. http://dx.doi.org/10.1139/z90-160.

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Retinometra albeolae n.sp. is described from bufflehead ducks (Bucephala albeola L.) from Manitoba, Canada. It is armed with eight skrjabinoid rostellar hooks 69–75 μm long, and has a cirrus sac 240–480 μm long that extends to approximately the midline of mature proglottids, a trilobed ovary, and a lobed vitelline gland. Staphylepis indica and Staphylepis meggitti, currently included in the genus Retinometra, are returned to Staphylepis on the basis of proglottid morphology and the apparent lack of a cirrus stylet in both species.

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Gulyaev, V. D., and S. A. Kornienko. "On causes and mechanisms of appearance of mini polymerous Hymenolepididae (Cyclophyllidea, Cestoda), parasites of shrews." Proceedings of the Zoological Institute RAS 313, no. 3 (2009): 249–56. http://dx.doi.org/10.31610/trudyzin/2009.313.3.249.

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The direction of the morphological transformations in the phylogenesis of Hymenolepididae from shrews depends on the nature of dissemination of hexacanths in the external environment. The organization of strobila and proglottids in Neoskrjabinolepis Spassky, 1948 and Lineolepis Spassky, 1958 which have hexacanths going out into the external environment inside the segment-oophor is determined by the group dissemination of hexacanths. At the group dissemination of hexacanths the probability of infection for intermediate hosts depends on their number in the external environment rather than on the

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Chao, David, Ming M. Wong, and Ping-Chin Fan. "Experimental infection in a human subject by a possibly undescribed species of Taenia in Taiwan." Journal of Helminthology 62, no. 3 (1988): 235–42. http://dx.doi.org/10.1017/s0022149x00011585.

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ABSTRACTA cysticercus of a possibly undescribed species of Taenia which occurs commonly in Taiwan aborigines was used to establish an experimental infection in a human volunteer. Symptomatic effects attributed to the infection included diarrhoea, upper abdominal pain, and increase or loss of appetite over a four-month period. After an expelled proglottid was observed 122 days post-exposure, eggs and proglottids were found continuously until the patient was treated with anthelmintics. Antibody titres measured by enzyme-linked immunosorbent assay and levels of eosinophilia seemed to correlate wi

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Book chapters on the topic "Proglottids"

1

Bryan, Ralph T. "Current Issues in Cysticercosis: Proteins, Proglottids, Pigs, and Privies." In Global Infectious Diseases. Springer Vienna, 1992. http://dx.doi.org/10.1007/978-3-7091-3449-8_11.

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Gooch, Jan W. "Proglottid." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_14575.

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Mehlhorn, Heinz. "Davainea proglottina." In Encyclopedia of Parasitology. Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-43978-4_823.

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Mehlhorn, Heinz. "Davainea proglottina." In Encyclopedia of Parasitology. Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-642-27769-6_823-2.

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Abshir Mahamed, Samatar. "Intestinal Tapeworm (Cestode)." In Intestinal Parasites - New Developments in Diagnosis, Treatment, Prevention and Future Directions [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1004926.

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Adult tapeworms, known as cestodes, reside in the small intestine where they feed off the host’s food. They are attached to the intestinal wall by a structure called the scolex, which is connected to a chain of segments known as proglottids that make up the strobila. Each proglottid contains both male and female reproductive systems and are categorized as immature, mature, or gravid based on their stage of development. Gravid proglottids are found at the end of the strobila and contain a fully developed uterus filled with eggs, which is often used for identification purposes. The eggs and the

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Knight, Richard. "Cyclophyllidian gut tapeworms." In Oxford Textbook of Medicine. Oxford University Press, 2010. http://dx.doi.org/10.1093/med/9780199204854.003.071002_update_001.

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The cyclophyllidean tapeworms are cestodes that maintain anchorage to the host small-gut mucosa by means of a scolex bearing four suckers; mature reproductive proglottids develop at the end of the worm. The life cycle involves a cystic larval stage, usually in a nonhuman host species. Humans are an obligatory part of the life cycle in four gut species; in the rest they are an accidental host....

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Knight, Richard. "Cestodes (tapeworms)." In Oxford Textbook of Medicine, edited by Christopher P. Conlon. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780198746690.003.0179.

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Adult tapeworms maintain anchorage to the host small-gut mucosa by means the scolex, a holdfast structure. The rest of the body forms the strobila and consists of a chain of flattened proglottids, which proliferate just behind the scolex. The life cycle then includes larval stages in one or more intermediate hosts. Many species of tapeworm, all zoonoses, infect humans as adult worms or larval stages. Serious disease can result when larval stages occur accidentally in humans, whereas infections by the adult stages often cause little harm. Two groups of cestode infect humans: the Cyclophyllidea

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Denham, D. A., and R. R. Suswillo. "Diagnosis of intestinal helminth infections." In Medical Parasitology. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780199633012.003.0013.

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Abstract Intestinal helminths may cause minimal gastro-intestinal symptoms but many (e.g. Ascaris) have a major impact on human health compromising the nutritional status of children in developing countries (see Chapter 1) Several species of nematodes, trematodes, and cestodes live in the human intestine and produce eggs which are passed in the faeces. Eggs of lung and liver flukes also are passed in the faeces. Parasitological diagnosis of most intestinal helminthic infections depends on finding and identifying these eggs. With the Taenia species, however, it is rare to find eggs in faeces as

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Garcia, Hector H., and Robert H. Gilman. "Cysticercosis." In Oxford Textbook of Medicine, edited by Christopher P. Conlon. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780198746690.003.0181.

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Cysticercosis, infection by larvae of the pork tapeworm Taenia solium, is the most common helminthic infection of the human central nervous system. It accounts for up to 30% of all seizures and epilepsy in endemic countries, and travel and immigration now lead to its more frequent presentation in industrialized countries. Ingestion of raw or undercooked pork can lead to infection with the T. solium cysticercus, formerly known as ‘Cysticercus cellulosae’, which is an encysted immature tapeworm. Once attached to the person’s small intestine, the head, or scolex, evaginates from the cysticercus,

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Gibson, R., and E. W. Knight-Jones. "Platyhelminthes, Nematoda, Nemertea." In The Marine Fauna of the British Isles and North-West Europe. Oxford University PressOxford, 1990. http://dx.doi.org/10.1093/oso/9780198573562.003.0005.

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Abstract The platyhelminths, or flatworms, are bilaterally symmetrical, pseudocoelomate animals with soft, dorso-ventrally flattened bodies. The body shows marked cephalization, but is unsegmented, although in the Cestoda serial budding, or strobilization, of identical proglottids posterior to the scolex gives rise to an apparently segmented body. The outer body wall is a ciliated epithelium in freeliving flatworms, and a non-ciliated syncytial tegument in parasitic forms; no class includes species with an outer cuticle. The bulk of the flatworm body consists of a heterogeneous parenchyma in a

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