Dimensions of the scala tympani in relation to the diameters of multichannel electrodes. 1980

M Zrunek, and M Lischka, and I Hochmair-Desoyer, and K Burian

Dimensions of the scala tympani were measured at eight different places of 1 3/4 turns of the cochlea, beginning at the round window. Height and width of the scala tympani do not decrease continuously but show enlargements in some places. The diameter of two types of cochlear implants were compared with the mean heights of the scala tympani. The data provide an anatomical basis for the development of cochlear prosthesis, which could be inserted for a longer distance as accomplished hitherto.

UI MeSH Term Description Entries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D003051 Cochlea The part of the inner ear (LABYRINTH) that is concerned with hearing. It forms the anterior part of the labyrinth, as a snail-like structure that is situated almost horizontally anterior to the VESTIBULAR LABYRINTH. Cochleas
D003054 Cochlear Implants Electronic hearing devices typically used for patients with normal outer and middle ear function, but defective inner ear function. In the COCHLEA, the hair cells (HAIR CELLS, VESTIBULAR) may be absent or damaged but there are residual nerve fibers. The device electrically stimulates the COCHLEAR NERVE to create sound sensation. Auditory Prosthesis,Cochlear Prosthesis,Implants, Cochlear,Auditory Prostheses,Cochlear Implant,Cochlear Prostheses,Implant, Cochlear,Prostheses, Auditory,Prostheses, Cochlear,Prosthesis, Auditory,Prosthesis, Cochlear
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D012405 Round Window, Ear Fenestra of the cochlea, an opening in the basal wall between the MIDDLE EAR and the INNER EAR, leading to the cochlea. It is closed by a secondary tympanic membrane. Cochlear Round Window,Fenestra Cochleae,Round Window of Ear,Cochlear Round Windows,Ear Round Window,Round Window, Cochlear,Round Windows, Cochlear,Round Windows, Ear
D012533 Scala Tympani The lower chamber of the COCHLEA, extending from the round window to the helicotrema (the opening at the apex that connects the PERILYMPH-filled spaces of scala tympani and SCALA VESTIBULI). Scala Tympanus,Tympani, Scala,Tympanus, Scala

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