Academic literature on the topic 'Pharyngeal bones'

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Journal articles on the topic "Pharyngeal bones"

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Burress, Edward D., and Peter C. Wainwright. "A peacock bass (Cichla) functional novelty relaxes a constraint imposed by the classic cichlid pharyngeal jaw innovation." Biological Journal of the Linnean Society 130, no. 2 (2020): 382–94. http://dx.doi.org/10.1093/biolinnean/blaa050.

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Abstract Innovations may provide access to new resources but often result in significant trade-offs. Pharyngognathy is a classic pharyngeal jaw innovation in which the left and right lower pharyngeal jaw (LPJ) bones are united into a single structure, producing a strong bite but reduced gape. Throughout cichlids, pharyngeal suturing occurs along the entire medial border between LPJ bones, except in peacock bass (Cichla), where these bones are connected by ligaments only in their anterior region. We show that this limited attachment permits the jaw bones to spread apart and we link this feature
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González-Díaz, Alfonso A., Karem F. Ramírez-Moreno, Wilfredo A. Matamoros, Miriam Soria-Barreto, and Rocío Rodiles-Hernández. "Geometric morphometric comparison of the oral jaw and lower pharyngeal jaw of the closely-related cichlid, Vieja bifasciata, V. breidohri and V. hartwegi (Cichliformes: Cichlidae)." Revista Mexicana de Biodiversidad 93 (April 5, 2022): e933861. http://dx.doi.org/10.22201/ib.20078706e.2022.93.3861.

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Systematics of the genus Vieja is complex, with many morphologically similar species that have little genetic differentiation. Examination of additional morphological traits can be useful for clarifying their taxonomic status and evolutionary history. We analyzed morphological variation of bones in the oral jaw and lower pharyngeal jaw to determine if these structures permit delimitation of species and to study possible functional implications. Morphological differences were quantified from canonical variates analysis, MANOVA, and paired comparisons. Differences in the number of pharyngeal tee
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Weber, Manuel, Falk Wehrhan, James Deschner, et al. "The Special Developmental Biology of Craniofacial Tissues Enables the Understanding of Oral and Maxillofacial Physiology and Diseases." International Journal of Molecular Sciences 22, no. 3 (2021): 1315. http://dx.doi.org/10.3390/ijms22031315.

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Maxillofacial hard tissues have several differences compared to bones of other localizations of the human body. These could be due to the different embryological development of the jaw bones compared to the extracranial skeleton. In particular, the immigration of neuroectodermally differentiated cells of the cranial neural crest (CNC) plays an important role. These cells differ from the mesenchymal structures of the extracranial skeleton. In the ontogenesis of the jaw bones, the development via the intermediate stage of the pharyngeal arches is another special developmental feature. The aim of
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Richardson, Jo, Takanori Shono, Masataka Okabe, and Anthony Graham. "The presence of an embryonic opercular flap in amniotes." Proceedings of the Royal Society B: Biological Sciences 279, no. 1727 (2011): 224–29. http://dx.doi.org/10.1098/rspb.2011.0740.

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The operculum is a large flap consisting of several flat bones found on the side of the head of bony fish. During development, the opercular bones form within the second pharyngeal arch, which expands posteriorly and comes to cover the gill-bearing arches. With the evolution of the tetrapods and the assumption of a terrestrial lifestyle, it was believed that the operculum was lost. Here, we demonstrate that an embryonic operculum persists in amniotes and that its early development is homologous with that of teleosts. As in zebrafish, the second pharyngeal arch of the chick embryo grows disprop
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Dierickx, Katrien, Mark Hanssens, Bosco Rusuwa, and Jos Snoeks. "Trematocranus pachychilus, a new endemic cichlid from Lake Malawi (Teleostei, Cichlidae)." ZooKeys 743 (March 14, 2018): 153–66. http://dx.doi.org/10.3897/zookeys.743.22814.

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A new species of Trematocranus, T.pachychilus sp. n., is described from Lake Malawi. So far, it has only been found at Jafua Bay, Mozambique. It can easily be distinguished from T.labifer by its molariform pharyngeal dentition. A morphometric study, including 24 measurements and 15 counts, was done to compare the new species with T.microstoma and T.placodon. Trematocranuspachychilus is characterised by its thick lips. This species further differs from T.microstoma by its bicuspid (vs. unicuspid) outer oral teeth, wide (vs. small) pharyngeal bone, and its head shape. It resembles T.placodon, fr
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Dierickx, Katrien, Mark Hanssens, Bosco Rusuwa, and Jos Snoeks. "Trematocranus pachychilus, a new endemic cichlid from Lake Malawi (Teleostei, Cichlidae)." ZooKeys 743 (March 14, 2018): 153–66. https://doi.org/10.3897/zookeys.743.22814.

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A new species of Trematocranus, T. pachychilus sp. n., is described from Lake Malawi. So far, it has only been found at Jafua Bay, Mozambique. It can easily be distinguished from T. labifer by its molariform pharyngeal dentition. A morphometric study, including 24 measurements and 15 counts, was done to compare the new species with T. microstoma and T. placodon. Trematocranus pachychilus is characterised by its thick lips. This species further differs from T. microstoma by its bicuspid (vs. unicuspid) outer oral teeth, wide (vs. small) pharyngeal bone, and its head shape. It resembles T. placo
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Sato, Kiminori. "Extraction of Minute Pharyngeal Foreign Bodies with the Videoendoscope." Annals of Otology, Rhinology & Laryngology 112, no. 8 (2003): 693–96. http://dx.doi.org/10.1177/000348940311200808.

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The present report describes how minor foreign bodies in the pharynx can be detected and extracted with a videoendoscope. A videoendoscope and biopsy forceps were used for the extraction of minute pharyngeal foreign bodies. The patients were examined and treated in a sitting position. The endoscope was inserted through the nasal passage. Ten minute pharyngeal foreign bodies (all fish bones) were extracted by this method. The advantages of this intervention were that 1) the videoendoscope showed clear dynamic color images of the minute foreign body on a color video monitor and provided excellen
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Sriram, S. Ganapathy, and Neelam N. Andrade. "Cephalometric evaluation of the pharyngeal airway space after orthognathic surgery and distraction osteogenesis of the jaw bones." Indian Journal of Plastic Surgery 47, no. 03 (2014): 346–53. http://dx.doi.org/10.4103/0970-0358.146589.

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ABSTRACT Objective: Orthognathic surgeries and distraction osteogenesis (DO) of the jaw bones cause a change in the pharyngeal airway space (PAS). The aim of our study was to evaluate the magnitude of changes occurring in the pharyngeal airway after mandibular set-back surgeries and DO of maxilla/mandible. Materials and Methods: The study undertaken was a retrospective cephalometric study. Subjects included in our study had undergone mandibular set-back surgery or DO of maxilla/mandible. Lateral cephalograms of the subjects taken pre-operatively (T0), immediate post-operatively (T1) and after
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Arantes Júnior, Aluizio Augusto, Jose Augusto Malheiros, Marco Tulio Domingos Silva e. Reis, and Gustavo Meyer de Moraes. "Migrated pharyngeal fish bone causing spondylodiscitis. Case report." Coluna/Columna 13, no. 1 (2014): 67–68. http://dx.doi.org/10.1590/s1808-185120141301rcc69.

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Ingestion of foreign bodies is a common problem seen at emergency rooms and frequently involves chicken and fish bones. There are few cases of migrated foreign bodies through the retropharynx causing infectious process in the area but no one, despite the proximity, causing spondylodiscitis. Perhaps such condition is attributed to the integrity of the longus colli fascia covering and protecting the cervical spine. We described the first case of spondylodiscitis due to a foreign body (saw-toothed fish bone) that penetrated the longus colli fascia and carved into vertebral body C3.
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Kierdorf, Horst, Uwe Kierdorf, Hartmut Greven, and Günter Clemen. "Dental structure and tooth attachment modes in the common fangtooth Anoplogaster cornuta (Valenciennes, 1833) (Actinopterygii; Trachichthyiformes; Anoplogastridae)." PLOS ONE 17, no. 8 (2022): e0272860. http://dx.doi.org/10.1371/journal.pone.0272860.

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We studied the structure and attachment modes of the teeth of adult Anoplogaster cornuta using light- and scanning-electron microscopic techniques. All teeth were monocuspid, composed solely of orthodentin, and lacked a covering enameloid cap. Fourteen teeth were present in the oral jaws, with three teeth each on the left and right premaxilla and four teeth each on the left and right dentary. The anteriormost premaxillary and dentary teeth were considerably larger than the more posteriorly located ones. The oral jaw teeth were transparent, non-depressible and firmly ankylosed to their respecti
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Dissertations / Theses on the topic "Pharyngeal bones"

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Sheng, Chang Min, and 盛昌民. "Developmental Changes of Pharyngeal Airway Depth and Hyoid Bone Position from Childhood to Young Adulthood." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/31033038828796283518.

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碩士<br>臺北醫學大學<br>牙醫學系碩博士班<br>96<br>Interpretation of the significance of variations in the growth and function is dependent on an understanding of the normal developmental changes. It is necessary to know the changes in the pharyngeal airway depth and hyoid bone position that occur in the normal subjects during their active growth years and beyond. Most of the previous studies emphasized the treatment effect on the pharyngeal airway size and hyoid bone position; however, the developmental changes of the pharyngeal airway and hyoid bone position seemed to receive little attention in the past. Th
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Lin, Yen-Chun, and 林衍君. "Treatment Effects of the Modified Bionator on Pharyngeal Airway Depth, Hyoid Bone Position, and Craniofacial Change of Skeletal Class II Patients." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/36607020377047280630.

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碩士<br>臺北醫學大學<br>牙醫學系碩博士班<br>97<br>Objective: Long time observation of the pharyngeal airway and hyoid bone position changes of class II division I cases following bionator treatment. Materials and Methods: There were 86 (51 males and 35 females) Angle Class II division I patients diagnosed with mandibular deficiency collected in this study. All of them were treated by the modified bionator with lower incisor resin capping and expansion screw. Lateral cephalometric radiographs were taken before and after bionator treatment. Average treatment time was 1.75 years for males and 2.02 years for fema
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Subba, Prakrit. "Exploration of the Association between Muscle Volume and Bone Geometry Reveals Surprising Relationship at the Genetic Level." 2020. https://scholarworks.umass.edu/masters_theses_2/995.

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The evolution of jaws in cichlid fishes of the East African Great Lakes is a textbook example of adaptive radiation in vertebrates. Karl Liem postulated that this adaptive radiation has been possible due to the functional decoupling of two cichlid functional units – the pharyngeal jaw (PJ) and the oral jaw (OJ). This functional decoupling of the jaws has enabled the OJ to be relieved of its dual role of prey capturing and processing and has allowed the PJ to take on the role of prey processing. As a result, African cichlids have adapted the morphology of their functional units (i.e., oral jaws
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Book chapters on the topic "Pharyngeal bones"

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Arican, Yagmur Emre. "Polycyclic Aromatic Hydrocarbons (PAHs)." In Food Safety. Nobel Tip Kitabevleri, 2024. http://dx.doi.org/10.69860/nobel.9786053358787.16.

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Polycyclic aromatic hydrocarbons (PAHs) are toxic substances that undergo bioaccumulation and can be found in various forms, including coal tar, fossil fuel burning, forest fires, grilling meats over open fires, cigarette smoke, diesel emissions, asphalt surfaces, tar roofs, aluminum and coke plants, and more. PAHs can initiate and promote tumors and may function as complete carcinogens, resulting in a high occurrence of tumors and mortality in laboratory animals. Exposure to PAHs can occur at home, outdoors, or at work, with a mixture of PAHs being more likely. Primary sources of exposure to
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Barresi, Michael J. F., and Scott F. Gilbert. "Neural Crest Cells and Axonal Specificity." In Developmental Biology. Oxford University Press, 2023. http://dx.doi.org/10.1093/hesc/9780197574591.003.0021.

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This chapter considers the neural crest as a transitory structure as its cells migrate to become many different cell types. The path a neural crest cell takes depends on the extracellular environment it meets. The chapter discusses the cranial neural crest cells that enter the pharyngeal arches to become the cartilage of the jaw and the bones of the middle ear and form the bones of the frontonasal process, odontoblasts, and cranial nerves. The chapter also highlights the fates of the cranial neural crest cells which are influenced by Hox genes, and are acquired by expression pattern through in
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Robinson, Max, Keith Hunter, Michael Pemberton, and Philip Sloan. "Oral cancer." In Soames' & Southam's Oral Pathology. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199697786.003.0008.

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The term ‘oral cancer’ encompasses all malignant neoplasms affecting the oral cavity. The majority, greater than 90%, are squamous cell car¬cinomas. The remainder are uncommon and comprise minor salivary gland adenocarcinomas, malignant melanoma, sarcomas, haemato-logical malignancies, and metastases to the oral cavity from cancers at other sites. Oral squamous cell carcinoma is a malignant epithelial neoplasm that arises from the lining mucosa of the oral cavity. The tumour shows vary¬ing degrees of squamous differentiation and is characterized by invasion of local structures and metastasis t
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Sattur, Atul P. "Airway Changes Detected by Cone Beam Computed Tomography (CBCT) in Muscular Temporomandibular Joint Dysfunction Subjects Treated With Disclusion Time Reduction (DTR)." In Advances in Medical Technologies and Clinical Practice. IGI Global, 2024. https://doi.org/10.4018/978-1-6684-9313-7.ch012.

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The application of Cone Beam Computed Tomography (CBCT) in the field of dentistry has revolutionized the outlook of dental practitioners when diagnosing, treatment planning, and measuring treatment outcomes, because CBCT has wide-ranging applications in both oral surgery and in forensic odontology. Traditionally, airway volumetric assessments and boundary determinations were performed with 2-dimensional lateral cephalometric radiographs. However, the advent of CBCT makes it possible to precisely measure the Airway dimensions and volume, the presence of any constrictions, the position of the hy
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Cook, Della Collins. "A Young Man, an Old Ritual, and Maya Ethnoscience." In Mesoamerican Osteobiographies. University Press of Florida, 2024. https://doi.org/10.5744/florida/9781683404453.003.0011.

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Burial 163 from Postclassic Chau Hiix, Belize, is mentioned in several publications, but has not been fully described. This tightly flexed, prone young man had unusual grave goods: a deer bone flute, an olivella shell anklet, a snake vertebra belt, and ornaments made from the pharyngeal dentaries of two species of parrotfish. These items permit reconstruction of a costume reflecting that of the snake dancer and musicians on the famous Classic vase from Altar de Sacrificios. The persistence of this costume across time and space shows that elements of the Wayob ritual survived the Maya Collapse.
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Araki, Koji, and Akihiro Shiotani. "Transoral Videolaryngoscopic Surgery (TOVS)." In Pharynx - Diagnosis and Treatment. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.97473.

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Transoral videolaryngoscopic surgery (TOVS) for laryngopharyngeal cancer developed by Shiotani et al., uses the laparoscopic surgical system and distending laryngoscope. This method enables precise procedures and en bloc resection under a good view with videoendoscope in the structurally complex laryngopharynx. The major indications are Tis-2, and selected T3 lesions of hypopharyngeal, oropharyngeal, and supraglottic laryngeal cancer. TOVS is also considered for resectable rT1 and rT2 radiation failure cases and selected T3–4 advanced cases following neoadjuvant chemotherapy. Patients with res
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Farne, Hugo, Edward Norris-Cervetto, and James Warbrick-Smith. "Neck lump." In Oxford Cases in Medicine and Surgery. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780198716228.003.0010.

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Considering the anatomy and associated pathology, the lump may represent: • Artery: carotid artery aneurysm, subclavian artery aneurysm, carotid body tumour (i.e. chemodectoma or paraganglioma of the carotid body) • Nerves: neurofibroma, schwannoma • Lymphatics: lymphatic malformations • Lymph nodes: infective, neoplastic (primary or metastatic), granulomatous • Salivary glands: infective, autoimmune, neoplastic • Larynx: laryngocele • Pharynx: pharyngeal pouch • Branchial arch remnant: branchial cyst/sinus/fistula • Skin/superficial subcutaneous: lipoma, epidermal cyst, abscess, dermoid cyst
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Atkinson, Martin E. "Swallowing and speech." In Anatomy for Dental Students. Oxford University Press, 2013. http://dx.doi.org/10.1093/oso/9780199234462.003.0038.

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Swallowing or deglutition is a series of closely integrated actions that propel the contents of the oral cavity through the pharynx and the oesophagus to the stomach and ensuring that they do not enter the lower respiratory tract. Some of these actions are voluntary whereas others are reflex. We tend to think of swallowing merely in terms of eating and drinking. In reality, a relatively small proportion of the total number of swallows performed in a day occurs during meals; the majority of them take place to clear excess saliva from the mouth. We are generally unconscious of salivary clearance
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Conference papers on the topic "Pharyngeal bones"

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Bogataj, Jan, and Ivana Tancer. "The Ethmoid Labyrinth, Point of Entry to Diseases of the Nasal Cavity, Paranasal Sinuses, the Orbit and Skull Base." In Socratic Lectures 9. University of Lubljana Press, 2024. http://dx.doi.org/10.55295/psl.2024.d1.

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Abstract: Endoscopic endonasal surgery developed as a logical consequence of more sophisticated knowledge of the pathophysiology of the paranasal sinuses. Also endoscopic treatment of various diseases of the nasal cavity and paranasal sinuses proved to be as effective as clas-sical methods. Ethmoidal bone is a basic anatomic area, where pathologic activities are formed or the natural extension for a minimally invasive approach from the natural nasal opening to the brain, so the knowledge of its anatomy and development is of the para-mount significance. Ethmoid labyrinth starts to develop in th
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