lecture 10 part B

Question 1

This is the outside part of the ear, forming by elastic cartilage

Answer 1

Auricle or Pinna

Question 2

tympanic cavity with the Three auditory ossicles:

Answer 2

Malleus (hammer)
Incus (anvil)
Stapes (stirrup)

Question 3

divides the external ear from the middle ear. The Healthy tympanic membrane has a pearly gray color.

Answer 3

Tympanic membrane(also called the eardrum)

Question 4

Stapes fits into this opening

Answer 4

Oval window

Question 5

Covered by a secondary tympanic membrane

Answer 5

Round window

Question 6

bony labyrinth is made up of

Answer 6

the vestibule, cochlea, and semicircular canals.

Question 7

The membranous labyrinth is made up of

Answer 7

Utricle and saccule

Question 8

responds to horizontal linear acceleration

Answer 8

Utricular macula

Question 9

respond to vertical linear acceleration.

Answer 9

Saccular macula

Question 10

The fluid that fills the membranous labyrinth,and is produced by the stria vascularis of the cochlear duct

Answer 10

Endolymph

Question 11

the fluid that fills the bony labyrinthand is produced bu the hemto-perilymphatic barrier.

Answer 11

Perilymph

Question 12

is the only part of the inner ear concerned with hearing.

Answer 12

cochlear duct

Question 13

spiral ganglion

Answer 13

in the modiolus consists of cell bodies of the first sensory neurons in the auditory relay.

Question 14

Does not respond to gravity.

Moves with the flow of endolymph in the semicircular ducts.

Answer 14

Cupula