Results 1 to 10 of about 15,884 (205)

Morphological, Histological and Morphometrical Aspects of Auditory Ossicles in Pig Fetuses (Sus scrofa domestica) [PDF]

open access: yesAnimals
The detailed study of the morphology and morphometrics of the auditory ossicles in swine became a topic for investigation due to their resemblance to the human ear.
Cristian Olimpiu Martonos   +6 more
doaj   +2 more sources

Evidence for high-frequency hearing in a Permian stem reptile [PDF]

open access: yesNature Communications
High-frequency hearing evolved in most amniote lineages in the Permian and Triassic. However, for reptiles, the evolutionary history of hearing is more elusive.
Kelsey M. Jenkins   +3 more
doaj   +2 more sources

Advantages of CO2 laser use in surgical management of otosclerosis [PDF]

open access: yesVojnosanitetski Pregled, 2003
Background. Otosclerosis is a progressive osteo-destructive disorder of the bony labyrinth in which the fixation of the stapes causes the hearing loss.
Matković Svjetlana   +2 more
doaj   +3 more sources

Descriptive Anatomy and Three-Dimensional Reconstruction of the Skull of the Early Tetrapod Acanthostega gunnari Jarvik, 1952 [PDF]

open access: yes, 2003
The early tetrapod Acanthostega gunnari is an iconic fossil taxon exhibiting skeletal morphology reflecting the transition of vertebrates from water onto land. Computed tomography data of two Acanthostega skulls was segmented using visualization software
Chan, HL   +5 more
core   +15 more sources

Revision Stapes Surgery [PDF]

open access: yesCurrent Otorhinolaryngology Reports, 2022
AbstractPurpose of ReviewThis review briefly covers the history of stapedectomy, discusses the indications and problems encountered with revision surgery, and provides case examples with solutions.Recent FindingsRevision surgery is challenging and successful outcome even in the most experienced specialists is 45–71%, which is far less than that of ...
Hitomi Sakano, Jeffrey P. Harris
openaire   +4 more sources

Anatomical and morphometric study of goat middle ear ossicles (Capra aegagrus hircus)

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2021
The social and economic roles of goat farming in Northeastern Brazil, allied to the fact that the use of goat middle ear ossicles for research and human ear surgery training has not yet been proposed, justify the study of their applicability as an ...
A.C. Santos, A. Gradela, M.D. Faria
doaj   +1 more source

Endoscopic vs. microscopic stapes surgery: An anatomical feasibility study

open access: yesFrontiers in Surgery, 2022
ObjectivesTo investigate the feasibility of the endoscopic approach vs. microscopic approach during stapes surgery, focusing on the visualization of the important anatomical structures of the middle ear, the volume of the resected scutum and chorda ...
Esther E. Blijleven   +8 more
doaj   +1 more source

Congenital Stapes Anomalies with Normal Eardrum [PDF]

open access: yesClinical and Experimental Otorhinolaryngology, 2009
ObjectivesA non-progressive and conductive hearing loss with normal eardrum, but no history of trauma and infection, is highly suggestive of a congenital ossicular malformation. Among ossicular anomalies, stapes anomaly is the most common. The purpose of
Hun Yi Park   +5 more
doaj   +1 more source

Allometric and Phylogenetic Aspects of Stapes Morphology in Ruminantia (Mammalia, Artiodactyla)

open access: yesFrontiers in Earth Science, 2020
The stapes is the smallest bone of the mammalian skeleton. Being the innermost middle ear ossicle, it is in contact with the inner ear and is directly responsible for sound transmission into it. Today, Ruminantia are one of the most diversified groups of
Bastien Mennecart   +6 more
doaj   +1 more source

Congenital absence of the stapes and oval window with malpositioned facial nerve and anomalous eustachian tube.

open access: yesRevista Portuguesa Otorrinolaringologia e Cirurgia de Cabeça e Pescoço, 2019
Introduction: Since in 1995 the first case of absence of stapes was described, several cases were reported. However, its etiology remains unknown. Some authors suggest a genetic cause, without excluding the possibility of embryopathy due to infections ...
Mercedes Álvarez-Buylla Blanco   +1 more
doaj   +1 more source

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