Results 21 to 30 of about 109,644 (357)

First Natural Endocranial Cast of a Fossil Snake (Cretaceous of Patagonia, Argentina) [PDF]

open access: yes, 2017
In this study, we describe a natural endocranial cast included in a partially preserved medium‐sized skull of the Upper Cretaceous South American snake Dinilysia patagonica.
Albino, Adriana Maria   +3 more
core   +2 more sources

Revisiting the Anatomy of the Facial Recess: The Boundaries of the Round Window Exposure

open access: yesBalkan Medical Journal, 2016
Background: The exposure of the round window (RW) through the facial recess (FR) is sometimes partial. The anatomic variations that alter RW exposure during cochleostomy have not been clearly defined to date.
Kerem Öztürk   +7 more
doaj   +1 more source

3-D reconstruction of a human fetus with combined holoprosencephaly and cyclopia

open access: yesHead & Face Medicine, 2009
Background The purpose of this study was to examine a human fetus with combined holoprosencephaly and cyclopia by means of histology and 3-D reconstruction to determine the internal structure and extent of the malformation.
Meiselbach Veronika, Arnold Wolfgang H
doaj   +1 more source

Pbx loss in cranial neural crest, unlike in epithelium, results in cleft palate only and a broader midface. [PDF]

open access: yes, 2018
Orofacial clefting represents the most common craniofacial birth defect. Cleft lip with or without cleft palate (CL/P) is genetically distinct from cleft palate only (CPO).
Berkes   +78 more
core   +1 more source

Recurrent unilateral facial nerve palsy in a child with dehiscent facial nerve canal

open access: yesSAGE Open Medical Case Reports, 2016
Objective: The dehiscent facial nerve canal has been well documented in histopathological studies of temporal bones as well as in clinical setting. We describe clinical and radiologic features of a child with recurrent facial nerve palsy and dehiscent ...
Christopher Liu   +2 more
doaj   +1 more source

Molecular and cellular mechanisms underlying the evolution of form and function in the amniote jaw. [PDF]

open access: yes, 2019
The amniote jaw complex is a remarkable amalgamation of derivatives from distinct embryonic cell lineages. During development, the cells in these lineages experience concerted movements, migrations, and signaling interactions that take them from their ...
A Abzhanov   +395 more
core   +1 more source

Giant petrous bone cholesteatoma: combined microscopic surgery and an adjuvant endoscopic approach [PDF]

open access: yes, 2016
Petrous bone cholesteatomas (PBCs) are epidermoid cysts, which have developed in the petrous portion of the temporal bone and may be congenital or acquired.
Iannella, Giannicola   +4 more
core   +1 more source

Ontogenetic changes in functional matrices and facial bone remodeling

open access: yesRevista Argentina de Antropología Biológica, 2023
According to the functional matrix hypothesis, changes in size and shape and localization of facial bones during individual ontogeny are influenced by periosteal and capsular matrices.
Natalia Brachetta Aporta   +2 more
doaj   +1 more source

THREE-DIMENSIONAL MSCT ANALYSIS OF SEXUAL DIMORPHISM IN FACIAL SKULL AND PIRIFORM APERTURE MORPHOLOGY IN SOUTH BULGARIA [PDF]

open access: yesJournal of IMAB
Purpose: Human skeleton exhibits varying degrees of sexual dimorphism – the pelvic bones, limbs long bones and the skull are the most frequently studied.
Zlatizara Todorova   +5 more
doaj   +1 more source

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