Results 21 to 30 of about 718,713 (197)

Flexibility within the middle ears of vertebrates [PDF]

open access: yes, 2012
Introduction and aims: Tympanic middle ears have evolved multiple times independently among vertebrates, and share common features. We review flexibility within tympanic middle ears and consider its physiological and clinical implications.
Baird   +36 more
core   +1 more source

Microarray analysis and functional prediction of differentially expressed circular RNAs in acquired middle ear cholesteatoma

open access: yesBioMedical Engineering OnLine, 2021
Background Middle ear cholesteatoma is characterized by hyper-proliferation of keratinocytes. Circular RNA (circRNA) plays an essential role in the pathogenesis of many proliferative diseases.
Shumin Xie   +4 more
doaj   +1 more source

Mammalian middle ear mechanics: A review

open access: yesFrontiers in Bioengineering and Biotechnology, 2022
The middle ear is part of the ear in all terrestrial vertebrates. It provides an interface between two media, air and fluid. How does it work? In mammals, the middle ear is traditionally described as increasing gain due to Helmholtz’s hydraulic analogy ...
Maialen Ugarteburu   +7 more
doaj   +1 more source

Endoscopic ear surgery in middle ear cholesteatoma

open access: yesLaparoscopic, Endoscopic and Robotic Surgery, 2021
Objective: Endoscope has been used as diagnostic tool for recidivism and as an adjunct to microscopic technique in the management of cholesteatoma. At present transcanal endoscopic ear surgery (TEES) is being used as a minimally invasive alternative for ...
Satish Nair   +7 more
doaj  

Morphological aspects of tympanic bulla after lateral osteotomy in cats [PDF]

open access: yesActa Cirúrgica Brasileira, 2008
PURPOSE: To evaluate tympanic bulla healing after experimental lateral osteotomy in cats. METHODS: Twenty adult cats were submitted to unilateral lateral bulla osteotomy and divided into two groups: cats of B1 group (n=10) were euthanized at 8 weeks and ...
Adelina Maria da Silva   +4 more
doaj   +1 more source

Computed tomographic morphometry of tympanic bulla shape and position in brachycephalic and mesaticephalic dog breeds [PDF]

open access: yes, 2017
Anatomic variations in skull morphology have been previously described for brachycephalic dogs; however there is little published information on interbreed variations in tympanic bulla morphology.
Barthez   +19 more
core   +1 more source

Functional anatomy of the middle and inner ears of the red fox, in comparison to domestic dogs and cats

open access: yes, 2020
Anatomical middle and inner ear parameters are often used to predict hearing sensitivities of mammalian species. Given that ear morphology is substantially affected both by phylogeny and body size, it is interesting to consider whether the relatively ...
Burda, H., Malkemper, E., Mason, M.
core   +1 more source

MIDDLE-EAR SCLEROSIS, OR ATROPHIC MIDDLE-EAR CATARRH. [PDF]

open access: yesJournal of the American Medical Association, 1908
This condition depends on trophic changes and, in contrast to a multitude of clinical forms that have been described under various names, it has a comparatively simple pathology. The clinical appearances vary with the location and degree of the pathologic change and with the structure and tissue affected.
openaire   +2 more sources

Adenoma del oído medio

open access: yesBiomédica: revista del Instituto Nacional de Salud, 2009
Las neoplasias del oído medio son lesiones raras que, generalmente, plantean retos diagnósticos por la escasa información existente sobre su biología y la carencia de uniformidad de criterios para su análisis.
Edwin Abraham Medina
doaj   +1 more source

Development of a physiological model of human middle ear epithelium

open access: yesLaryngoscope Investigative Otolaryngology, 2021
Introduction Otitis media is an umbrella term for middle ear inflammation; ranging from acute infection to chronic mucosal disease. It is a leading cause of antimicrobial therapy prescriptions and surgery in children.
Michael William Mather   +14 more
doaj   +1 more source

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