Term
| key features of Lateral wall of the middle ear? |
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Definition
-tympanic membrane,
-malleus,
-chorda tympani n,
-tensor tympani tendon attached to manubrium |
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Term
| where does the chorda tympani n leave the ear? |
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Definition
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Term
| key features of posterior wall of middle ear? |
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Definition
-opening (aditus) to mastoid antrum
-tendon of stapedius m attached to -pyramidal eminence
-prominence of facial canal
-chorda tympani emerges from facial cana |
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Term
| key features of medial wall of the middle ear? |
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Definition
-tympanic plexus from tympanic br. of IX forms over promontory
-round window is below and behind promontory
-stapes footplate and oval window above and behind promontory
-tensor tympani tendon emerging above promontory
-lesser petrosal n leaving tympanic plexus |
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Term
| Ear bone articulations are typical ________ joints with corresponding facets |
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Definition
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Term
| key features of anterior wall of the middle ear? |
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Definition
-pharyngotympanic tube dominates
-greater petrosal n. (from geniculate ganglion) and lesser petrossal n (from tympanic plexus) are above and parallel to tensor tympani m
-tensor tympani m |
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