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26 Cards in this Set
- Front
- Back
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Sensory innervation - tympanic membrane & middle ear |
Tympanic membrane: - External: CN V (V3: tensor tympani -> hearing regulation) - Internal: CN IX Middle ear: - tympanic branch, CN IX -> plexus on promontory -> lesser petrosal n. (pS) -> parotid gland CN VII branch (chorda tympani) travels through; n. to stapedius -> hearing regulation |
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Blood supply of middle & inner ear |
Middle ear: ICA & ECA -> branches via foramina -> tympanic cavity Inner ear: AICA (/basilary a.) -> labyrinthine artery via internal acoustic meatus |
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Fx? |
pS -> submandibular & sublingual gland secretion sensory <- taste from anterior 2/3 of tongue |
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