Hesp311: Middle ear
Terms
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- The main structures of the middle ear are:
- Tympanic membrane, middle ear cavity, ossicular chain, and eustachian tube
- The middle ear is a ___ filled space
- Air filled space
- The cavity size of the middle ear:
- 2cm cubed
- Tympanum
- "Main cavity", lies between the TM and promontory (medial bony wall)
- Epitympanum
- "Attic," slightly smaller, superior to tympanum, primarily filled with ossicles.
- The cochlear promontory is ___ to the round window.
- Superior
- The "facial nerve" is superior to:
- stapes/cochlea