Results 21 to 30 of about 6,307 (183)

Functional Analyses of Peripheral Auditory System Adaptations for Echolocation in Air vs. Water

open access: yesFrontiers in Ecology and Evolution, 2021
The similarity of acoustic tasks performed by odontocete (toothed whale) and microchiropteran (insectivorous bat) biosonar suggests they may have common ultrasonic signal reception and processing mechanisms.
Darlene R. Ketten   +7 more
doaj   +1 more source

The use of homograft stapes [PDF]

open access: yesThe Laryngoscope, 1976
AbstractHomograft stapes were used for ossicular reconstruction in 43 ears over a three‐year period. The average hearing improvement was 7.9 db. These cases were divided into two groups: those with an intact posterior canal wall and those with an open mastoid cavity. The latter group fared better, with an average improvement of 15 db.Fourteen of the 43
M F, Smith, R, Dobie
openaire   +2 more sources

Ossicular chain status in cases of cholesteatomatous chronic otitis media in eastern Nepal

open access: yesAsian Journal of Medical Sciences, 2017
Background: Ossicular erosion and disruption of ossicular chain is a frequent complication of cholesteatomatous chronic otitis media leading to hearing loss.
Sanjeev Kumar Thakur
doaj   +1 more source

Morphological and morphometrical anatomy of the auditory ossicles in roe deer (Capreolus capreolus)

open access: yesThe European Zoological Journal, 2022
The study provides a series of distinctive morphological features of the auditory ossicles alongside comparative morphometric data, bringing facts in respect to morphology and some morpho-functional elements of the auditory ossicles in this little ...
C. Martonos   +4 more
doaj   +1 more source

Bilateral Congenital Agenesis of Stapes and Oval Window in Two Members of a Family (Brother and Sister)

open access: yesTurkish Archives of Otorhinolaryngology, 2023
Congenital agenesis of the stapes and the oval window is rare. Congenital stapedial agenesis (CSA) may be recognized preoperatively in the presence of conductive hearing loss.
Hanife Gülden Düzkalır   +1 more
doaj   +1 more source

Stapes angle and facial nerve-stapes head distance in patients with otosclerosis

open access: yesB-ENT, 2021
Objective: In this study, we aimed to compare the relationship between stapes angle, facial nerve-stapes head distance (FNSD), and densitometry in patients with otosclerosis and a control group without otosclerosis using high-resolution computed ...
Huseyin Cetin   +5 more
doaj   +2 more sources

Stapedius tendon ossification: Meaning of the ossicle of Paaw

open access: yesRevista Portuguesa Otorrinolaringologia e Cirurgia de Cabeça e Pescoço, 2018
Introduction: Stapes tendon ossification is an uncommon ossicular congenital malformation with autosomal dominant inheritance. Globular supernumerary sesamoid bone within the stapes tendon was described by several anatomists.
M. Álvarez-Buylla Carmino   +1 more
doaj   +1 more source

Two cases of congenital stapes malformation: Implications for development of the stapes footplate and the oval window

open access: yesActa Oto-Laryngologica Case Reports, 2020
The origin of the stapes footplate has been controversial for decades, especially regarding involvement of the otic capsule in the development of the footplate.
Hiroki Ishida   +6 more
doaj   +1 more source

Pattern of ossicular chain involvement in chronic suppurative otitis media

open access: yesAsian Journal of Medical Sciences, 2022
Background: Chronic suppurative otitis media has been acknowledged as a conspicuous pathology affecting the middle ear since times immemorial. Aims and Objectives: The aim of the study was to study the incidence of ossicular involvement and various ...
Rakesh Sharma Sharma , Sunil Kumar
doaj   +1 more source

Morphometry of human ear ossicles

open access: yesArchives of Medicine and Health Sciences, 2023
Background and Aim: Congenital anomalies and malformations of ear ossicles will cause hearing problems. Most commonly they will be either the absence of long process of incus or capitulum of stapes.
B Senthil Kumar   +4 more
doaj   +1 more source

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