Elements of human physiology (1907) Elements of human physiology elementsofhumanp05star Year: 1907 Vertical section tluongh the cochlea. the spiral. The length of the fibrils forming the basilar membrane increases from 0'041 mm. at the base to 0*495 mm. at the helicotrema. Somid-waves falling on the ear are collected into the meatus, and strike the membrana tympani. The vibrations Fk;. 239. Section through the end-organ of the auditory nerve in the eoclilea (organ of Corti). Basilar membrane, c. Canal of Corti. Rods of Corti. IH. and oh. Inner and outer hair-cells, Sust
Elements of human physiology (1907) Elements of human physiology elementsofhumanp05star Year: 1907 Vertical section tluongh the cochlea. the spiral. The length of the fibrils forming the basilar membrane increases from 0'041 mm. at the base to 0*495 mm. at the helicotrema. Somid-waves falling on the ear are collected into the meatus, and strike the membrana tympani. The vibrations Fk;. 239. Section through the end-organ of the auditory nerve in the eoclilea (organ of Corti). Basilar membrane, c. Canal of Corti. Rods of Corti. IH. and oh. Inner and outer hair-cells, Sustentacular cells. An. Auditory nerve, Membrana tectoria. of the membrane thus produced are transmitted with dimi- nished amplitude but increased force by the chain of ossicles to the fenestra ovalis, where they are communicated to the perilymph. The vibrations travel in the perilymph from the vestibule to the scala vestibuli, up the turns of the cochlea to the helicotrema, and then back again along the scala tympani,
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