M2 NAYA Flashcards
1
Q
Perilymph
A
EC composition
High Na, Low K
2
Q
Endolymph
A
IC composition
Low Na, High K
3
Q
What contains Perilymph
A
- Scala Vestibuli
- Scala Tympani
4
Q
What contains Endolymph
A
Scala Media
(cochlear duct)
5
Q
Where do the Scala vestibuli and Scala Tympani connect?
A
Helicotrema
6
Q
What separates adjacent spiral Osseous canals?
A
Osseous Spiral Lamina
7
Q
What separates the Scala vestibuli and Scala media?
A
Vestibular membrane
(Reissner’s)
8
Q
Organ of Corti Supporting Cells
A
- Claudius Cells
- Hensen Cells
- Böttcher cells
- Phalangeal cells
9
Q
What type of ossification forms Ossicles?
A
Intramembranous ossification
10
Q
Macula
A
- Receptors of Gravity & Linear Acceleration
- In Saccule & Utricle
11
Q
Type I Stereocilia
A
Flask shaped
12
Q
Type II Stereocilia
A
Cylindrical
(Long)
13
Q
What is Otolithic membrane made up of
A
- GAGs
- Fibrous proteins
14
Q
Otolyths
A
Calcium Carbonate crystals in Macula
15
Q
What nerve is found in Macula
A
Vestibular N
16
Q
What liquid surrounds the macula?
A
Endolymph
17
Q
Tympanic Cavity Borders
A
- Post: Mastoid Wall
- Inf: Jugular Wall
- Sup: Tegmental Wall
- Ant: Carotid Wall
- Med: Labyrinthine Wall
18
Q
Tympanic Plexus Makeup
A
- Tympanic N
- Caroticotympanic N
- Communicating br. of Facial N
