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Virtual otoscopy for evaluating the inner ear with a fluid-filled tympanic cavity in dogs
Youngkwon Cho, Jimo Jeong, Haebeom Lee, Minsu Kim, Namsoo Kim, Kichang Lee* 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2012, 제 13권 제 4호 12 419-424 (6 pages)
The feasibility of virtual otoscopy (VO) imaging was evaluated in five dogs with experimentally induced otitis media, two control dogs, and two canine patients with otitis media. VO images of the tympanic cavity and ossicles were generated with commercially available software using raw computed tomography (CT) data. Eight out of 10 ears inoculated with pathogen exhibited obvious clinical signs associated with otitis externa. CT images revealed soft tissue density material occupying the tympanic... -
Gender-Related Differences in a Process of the Age-Dependent Alterations of the Elements in Monkey Sino-Atrial Node
HiroyasuSatoh, SetsukoTohno, TakeshiMinami, TakaoOishi, MotoharuHayashi, YoshiyukiTohno 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2010, Vol.14 No.5 1 249-256 (8 pages)
Gender differences in the trace elements of monkey sino-atrial (SA) node were investigated in a process of age-dependent alterations. Sixty hearts from Japanese and rhesus monkeys (30 male and 30 female) used were aged ranging from 1-day- to 30-year-old. The elements were analyzed using an inductively coupled plasma-atomic emission spectrometer (ICP-AES). Advancing age decreased all the trace elements. Ca, P, S and Mg significantly decreased. The correlation coefficients of Ca and P were... -
Diagnosis and Characterization of Middle-ear and Cochlear Functions
Rong Z. Gan 한국청각언어재활학회 Audiology and Speech Research 18 Pages
한국청각언어재활학회 Audiology and Speech Research 2013, 제 9권 제 2호 1 95-112 (18 pages)
Hearing impairment is one of the most common physical disabilities in the world. Conductive hearing loss results from dysfunction of the middle ear, and sensorineural hearing loss results from abnormalities within the cochlea or central nervous system. To improve the diagnosis of hearing loss and develop new technologies for restoration of hearing, changes of the middle ear and cochlear functions in relation to ear structural disorders in hearing impaired ears need to be characterized. This... -
유한요소 모델을 이용한 중이의 소리전달 특성 해석
갈영민, 백무진, 이두호, Gal. Young-Min, Baek. Moo-Jin, Lee. Doo-Ho 대한기계학회 大韓機械學會論文集. Transactions of the Korean Society of mechanical engineers. A. A 9 Pages
대한기계학회 大韓機械學會論文集. Transactions of the Korean Society of mechanical engineers. A. A 2011, Vol.35 No.12 1563-1571 (9 pages)
본 연구에서는 인간중이의 소리전달특성 계산을 위한 유한요소모델을 개발하였다. 이소골의 형상을 얻기 위하여 한국인 사체에서 추출한 측두골을 마이크로 CT 촬영하여 3 차원 입체모델로 변환하였다. 유한요소모델은 이소골, 고막, 인대와 근육 등을 포함하여 구성하였다. 유한요소모델을 이용하여 고막에서 등골족판까지의 응답함수를 계산한 후 측정값을 갖는 선행연구와 비교하였고 그 결과 10 kHz 주파수 대역까지 소리전달특성을 잘 표현하고 있음을 보였다. 또한 유한요소 모델을 구성하는 주요 물성인자의 변화에 대한...
