نتایج جستجو برای: ossicle

تعداد نتایج: 437  

Journal: :Applied sciences 2022

The middle ear bones (‘ossicles’) may become severely damaged due to accidents or diseases. In these situations, the most common current treatments include replacing them with cadaver-derived ossicles, using a metal (usually titanium) prosthesis, introducing bridges made of biocompatible ceramics. Neither solutions is ideal, difficulty in finding producing shape-matching replacements. However, ...

2015
P. Muyshondt D. De Greef

Introduction In all mammals, the middle ear is made up of an eardrum and three hearing bones we call ossicles. These ossicles function as an impedance match between the air in the outer ear and the fluids in the cochlea of the inner ear. Acoustic energy is absorbed by the eardrum, converting it into mechanical vibrations, and the ossicles transports these vibrations in a very efficient way towa...

Journal: :The American journal of roentgenology, radium therapy, and nuclear medicine 1967
T E Keats

Journal: :Latin American Journal of Aquatic Research 2022

Sea cucumbers (holothuroids) play a major role in coastal environments; their detritivore conduct favors oxygen penetration the sediments and disposal of pathogens on sea floor. This study determined holothuroid diversity rocky intertidal zone Matanchén Bay, Mexico. Sampling campaigns were carried out January, March, May, July 2018. Linear transects (10 m length 1 width) perpendicular to coastl...

Journal: :Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery 2017
Scott A Hardison Grace Pyon Audrey Le Wen Wan Daniel H Coelho

Objective To determine whether double gloving would negatively affect participants' ability to perform a simulated microsurgical task. Study Design Randomized single-blinded controlled crossover trial. Setting Temporal bone laboratory of an academic otolaryngology department. Subjects and Methods This study involved the simulated insertion of a stapes prosthesis into a model of the ossicular ch...

2018
Hui Zheng Zhengrong Xia Wenjun Cao Yun Feng Shuxian Chen Yu-Hua Li Deng-Bin Wang

BACKGROUND We aimed to evaluate the clinical and imaging presentations of Langerhans cell histiocytosis (LCH) in the pediatric temporal bone. METHODS This retrospective study included 27 pediatric cases with pathological confirmed LCH of the temporal bone. The clinical and imaging features of the cases were analyzed. The involvement of ossicular chain and otic capsule was also evaluated. RE...

Journal: :Indian Journal of Pharmaceutical Sciences 2022

To analyze long non-coding RNAs taurine up-regulated gene 1 expression in middle ear cholesteatoma and its correlation with the degree of ossicle destruction. Sixty four patients admitted to our hospital from June 2019 December 2020 were selected as research participants for retrospective analysis. Middle tissue normal skin external auditory canal obtained determine expression. Correlations cli...

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