• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/19

Click to flip

19 Cards in this Set

  • Front
  • Back
Inner Hair cells describe:
shape
number of rows
inclination
which side of cochlea
droplet, 1 row, same as inner rod, modiolus
Inner hair cell needs ______ for support because it comes ____ _____
phalangeal cell, up high
How many sterocilia cellsin each inner hair cell and how are they aligned?
2 rows, parallel to the axis of the BM
how many cilia for IHC?
48
steroclilia of IHC describe:
texture, longer/shorter where?
stiff,resilient, longer toward the outside and toward apex of cochlea
how many IHCs in the ear?
how many IHCs per mm at the base of BM?
how many IHCs per mm at the apex?
3550, 80, 115
Outer Hair Cell (OHC) Describe:
shape
number of rows
inclination
which side of cochlea
supported by?
cylindrical, 3 near the base, 5 near the apex, towards outer rod of corti, outer core, Deiter's cell
The OHC body is ____ at the apex and _____ at the base of the cochlea
longer, shorter
How many OHC at the apex?
How many OHC at the base?
How many total in the inner ear/
70, 130, 13,500
What do the sterocilia form of the OHC
V or W shape, on the side - base directed towards OSL
Just like the IHC, the sterocillia of the OHC is _____ to the outside and ______ toward the apex
longer, longer
OHC respond primarily to _______ shearing
lateral
OHC stereocillia are covered with a _____ _______
plasma membrane
Unlike the IHC, OHC have _____
motility
Remember the _____ of the hair cell sits on the BM
base
A sound wave will be sent down along the ____, this distortion will tip/move the hair cell ______. This is primarily responsible for the response of the outer hair cell, not the _____ movement of the BM.
BM, laterally/radially, longitudinal
Each inner and outer hair cell has (4):
cell body
cuticular plate at the apex
kinocilium (disappears once you reach adulthood)
sterocilia
The kinocilium of the IHC and OHC becomes what when a human approaches adulthood?
basal body
The INC stereocillia is coarser than the OHC sterocilia. T/F
TRUE