Transmission of sound - 5) Membrane causes the hairs to...

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Transmission of sound 1) Stimulation enters outer ear, proceeds to middle ear 2) Vibration stimulates stapes to move back and forth pushing on oval window, producing waves in the perilymph of inner ear 3) Pressure waves in the perilymph pass through the scala vestibule causes pressure of the endolypmh within cochlear duct then passes through the scala tympanic and dissipates through the round window into tympanic cavity 4) Pressure waves to endolypmh cause the basilar membrane to move slightly
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Unformatted text preview: 5) Membrane causes the hairs to move in organ of Corti to bend against the tectorial membrane. Hair cells causes neurotransmitters to stimulate sensory neurons in the cochlear n. cr.n.VIII Frequency- number of waves that pass a given point in time Wave length- distance betweens to consecutive crests or troughs Pitch- difference between frequencies Amplitude- height of crest Loudness- intensity of sound measured in decibels Auditory Nerve Pathway Sense of Equilibrium...
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This note was uploaded on 09/30/2011 for the course BIOLOGY BSC1085 taught by Professor Harris during the Spring '11 term at Broward College.

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