CS&D 202 Study Guide - Quiz Guide: Semicircular Canals, Membranous Labyrinth, Eustachian Tube
30 Oct 2014
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Document Summary
Yost chapter 6-8: subdivisions of the peripheral auditory system, outer ear, pinna, auditory meatus, auditory canal. ~~~tympanic membrane separates~~: middle ear, eustachian tube, malleus, head, neck, handle, incus, body, short & long limb, stapes, head, neck, footplate, oval/round windows, tensor tympani muscle, stapedial muscle. Latency varies from 10-150 ms, inversely with stimulus intensity. At the apex is the helicotrema, which is where the scala vestibuli and the scala tympani meet: the shell circles around the modiolus. It consists of 3 tunnels, the scala vestibuli, the scala tympani, and the scala media. The scala vestibuli is separated from the scala media by reissner"s membrane, and the scala tympani is separated from the scala media by the basilar membrane. It consists of the tectoral membrane on top, the spiral lamina, inner and outer hair cells, stereocilia, basilar membrane on bottom, tunnel of corti, rods of corti, stria vascularis, and.
