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Histology 3rd semester > Cochlea > Flashcards

Cochlea Flashcards

1
Q

Which stain is used?

A

Toludine blue

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2
Q

1?

A

1: cuticle

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3
Q

2?

A

interdental cell

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4
Q

3?

A

3: Vestibular lip of spiral limbus

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5
Q

4?

A

4: tympanic lip of spiral limbus

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6
Q

5?

A

5: nerve fibres

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7
Q

6?

A

6: osseus spiral lamina

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8
Q

7?

A

7: inner border cell

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9
Q

8?

A

8: inner phalangeal cell

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10
Q

9?

A

9: inner pilar cell

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11
Q

10?

A

10: inner hair cell

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12
Q

11?

A

11: outer hair cell

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13
Q

12?

A

12: Deiters phalangeal cells

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14
Q

13?

A

13: cuboidal epithelium of scala tympani

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15
Q

14?

A

14: Bottcher’s phalangeal cells

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16
Q

15?

A

15: Claudials phalangeal cells

17
Q

17?

A

17: reticular membrane (apical process of Deiters’ phalangeal cells)

18
Q

18?

A

18: tectorial membrane

19
Q

19?

A

19: vestibular (Reissner’s) membrane

20
Q

Large black star?

A

Large black star: inner tunnel of Corti

21
Q

Medium black star?

A

Medium black star: space of Nuel

22
Q

Smal black star?

A

Small black star: outer tunnel of Corti

23
Q

Red star?

A

Red star: Scala tympani

24
Q

Green star?

A

Green star: Scala media

25
Q

Blue star?

A

Blue star: Scala vestibuli

26
Q

What is the name of the indicated structure?

What type of tissue is this?

What is special about the tissue in this structure?

What is the function of this structure?

A

Stria vesticularis

Stratified cuboidal epithelium

Only epithelium in the human body that contains blood vessels

Produces endolymph (composition similar to the ICF)

27
Q

What is the name of the indicated structure?

Where is it situated?

Which cells/microscopical structures are found here?

A

Spiral ganglion

Spiral canal of the modiolus

Bipolar cells and myelinated nerve fibres (of the cochlear compartment of CN VIIIth)

28
Q

What is the name of this structure?

What type of tissue?

A

Vestibular (Reissner’s) membrane

Connective tissue layer covered by smiple squamous epthelium on both sides

29
Q

Name the indicated structure

What type of tissue is this?

What are the border of this structure?

Function?

A

Basilari membrane

Connective tissue

Terminates at the crista spiralis

Supporting the organ of corti

30
Q

Name the indicated structure

A

Organ of corti

31
Q

What fluid is found within..

a) .. the three tunnels of the corti organ?
b) .. cochlear duct?
c) .. scala tympani and scala vestibuli?

A

a) Corti-lymph (similar ion content to the perilymph)
b) Endolymph (ion composition similar to ICF)
c) Perilymph

Histology 3rd semester (3 decks)

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