Results 11 to 20 of about 10,579 (209)
An Accessroy tragus on the nasal vestibule: A case report
Otolaryngology Case Reports, 2021 An accessory tragus is a congenital defect involving malformation of the tragus. Rarely, it can be found in the nasal vestibule, where it can cause functional airway obstruction.
Ahmed Alsayed +2 more
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Head morphology and diet of whiptail catfishes (Loricariidae: Loricariinae) [PDF]
Neotropical IchthyologyAdaptations in the head structures of fishes can influence food item selection and consumption in aquatic ecosystems. In this study, we tested the relationship between the morphology of the bony structure of the head (suspensorium, mandibular, hyoid, and
Guilherme H. Silva +2 more
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MethodsX, 2020 The major advantage of chicken embryos model is their accessibility for microsurgical manipulations and the dissection of tissues for ex vivo explant culture. Branchial arches are embryonic structure located next to the top of developing heart. Each arch
Imadeldin Yahya +4 more
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Unraveling the transcriptional regulation of TWIST1 in limb development. [PDF]
PLoS Genetics, 2018 The transcription factor TWIST1 plays a vital role in mesoderm development, particularly in limb and craniofacial formation. Accordingly, haploinsufficiency of TWIST1 can cause limb and craniofacial malformations as part of Saethre-Chotzen syndrome ...
Naama Hirsch +9 more
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Branchial cleft cyst: A case report and literature review
SRM Journal of Research in Dental Sciences, 2017 Branchial cleft cysts are the most common congenital neck masses which originate from remnants of the branchial arches or branchial pouches.
R Swarna Lakshmi +3 more
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On the trail of the 'new head' in Les Treilles [PDF]
, 2008 The vertebrate brain develops in association with neighboring tissues: neural crest, placodes, mesoderm and endoderm. The molecular and evolutionary relationships between the forming nervous system and the other craniofacial structures were at the focus ...
Bronner-Fraser, Marianne
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Indian Journal of Dermatology, 2016 Branchial cleft cyst, sinuses, and fistulae are among the most commonly encountered congenital anomalies in pediatric otolaryngic practice. They can present difficulty in diagnosis and surgical management.
Vaishali Nahata
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The CXCR4/SDF-1 Axis in the Development of Facial Expression and Non-somitic Neck Muscles
Frontiers in Cell and Developmental Biology, 2020 Trunk and head muscles originate from distinct embryonic regions: while the trunk muscles derive from the paraxial mesoderm that becomes segmented into somites, the majority of head muscles develops from the unsegmented cranial paraxial mesoderm ...
Imadeldin Yahya +3 more
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Branchial cleft cysts : a pictorial review [PDF]
, 2018 Cystic masses of the neck may represent a wide variety of pathological conditions. Among these, branchial anomalies are the commonest paediatric congenital lesions of the head and neck.
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Diminution of pharyngeal segmentation and the evolution of the amniotes
Zoological Letters, 2019 Background The pharyngeal arches are a series of bulges found on the lateral surface of the head of vertebrate embryos, and it is within these segments that components of the later anatomy are laid down.
Subathra Poopalasundaram +5 more
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