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Flashcards in EARS and EYES Deck (120)
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1

Ears are located in what bone?

Petrous portion of TEMPORAL bone

2

The last sense to lose its function during death?

Hearing

3

The first sense to lose its function during death

Vision

4

meaning of AD and refers to?

Auricular Dexter - RIGHT ear

5

Meaning of AS and refers to?

Auricular Sinister- LEFT ear

6

Meaning of AU and refers to?

Auricular Uterque - BOTH ears

7

Three parts of the ear

External
Middle
Internal

8

What type of cartilage is PINNA made of?

Elastic cartilage

9

Other name for EXTERNAL ear

PINNA

10

What structure separates the external and middle ear?

Tympanic membrane

11

T/F: All cartilages are avascular.

True

12

Other name for tympanic membrane

eardrum

13

3 parts of Ossicles

Malleus
Incus
Stapes

14

It is the largest ossicle and is hammer/mallet shape

Malleus

15

Ossicle with ANVIL shape

Incus

16

the smallest bone in the body

Stapes

17

ossicle with stirrup shape

Stapes

18

They transmit VIBRATION

Ossicles

19

Hearing comes in what form?

Wave

20

What structure controls the vibration?

Muscles of the ear

21

What muscle attaches itself to the MALLEUS?

Tensor Tympani muscle

22

The shortest muscle of the body attached to stapes

Stapedius

23

Connects the middle ear to NASOPHARYNX

Eustachian Tube (Auditory tube)

24

The muscle that opens the tube is

Salpingopharyngeus

25

Snail like projection

Cochlea

26

Cochlea is responsible for?

Hearing

27

Outer membrane of cochlea

Ressner's membrane

28

Inner membrane of the cochlea

Basilar membrane

29

What membrane is stimulated by the sound FREQUENCY entering to the cochlea?

Basilar membrane

30

Main receptor for hearing

Organ of corti