The Ear Flashcards
1
Q
External ear
A
Visible portion of the ear— collects and directs sound waves toward the middle ear
2
Q
Middle ear (tympanic cavity)
A
Air filled chamber separated from the external acoustic meats by the tympanic membrane
3
Q
What are the three auditory ossicles?
A
Incus, stapes malleus
4
Q
Internal ear
A
Contains sensory organs for hearing and equilibrium, receives amplified sound waves from the middle ear
5
Q
Tympanic membrane
A
(Eardrum) end of external acoustic meats
- thin sheet that separates the external ear from the middle ear
6
Q
Auditory tube
A
Permits pressure equalization on either side of the tympanic membrane
7
Q
Tensor tympani
A
Short ribbon of muscle that originates on the petrous part of the temporal bone and the auditory tube— inserts on the handle of the malleus
