Histology Flashcards

1
Q

Functions of respiratory system

A

Provide O2 to body
Remove Co2

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2
Q

4 steps in respiration

A
  1. Ventilation
  2. External respiration
  3. Gas transport
  4. Internal respiration
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3
Q

Components of respiratory system

A

Conducting portion
Respiratory portion

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4
Q

Conducting portion

A

Direct the passage of air into and from the body
Functions as a unit to deliver and to remove air from the respiratory portion

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5
Q

Respiratory portion

A

Performs exchange of gases between atmosphere and blood

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6
Q

Respiratory epithelium function

A

Trap dirt, bacteria, mucus, and move it to the pharynx also to warm the air passing over the surface of the epithelium

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7
Q

Respiratory epithelium

A

Pseudostratified

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8
Q

3 cell types of respiratory epithelium

A

Ciliated epithelial cells
Goblet cells
Basal cells

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9
Q

Functions of nasal cavity

A

Warm, filter, and moisturize air
Chemoreception

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10
Q

Important regions of the nasal cavity

A

Vestibule with cutaneous region
Turbinates
Vomeronasal organ

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11
Q

Vestibule

A

Entrance to the nose
Stratified squamous epithelium

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12
Q

Turbinates

A

Bones divide cavity
Disrupt air flow
Lined with RE and OE
Increased surface area for filtration

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13
Q

Olfactory epithelium 3 cell types

A

Olfactory cells
Sustentacular support cells
Basal cells

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14
Q

Bowman’s gland

A

Sero-mucous secretion
To wash away odorants, allow rapid restimulation of olfactory epithelium

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15
Q

Vomeronasal organ

A

Paired organ
Either side of septum
Contains olfactory epithelium

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16
Q

Vomeronasal organ function

A

Increase sensitivity of chemoreception
Responds to compounds taken in orally or by inhalation

17
Q

1

A

Respiratory epithelium

18
Q

2

A

Olfactory epithelium

19
Q

1

A

Vomeronasal

20
Q

1.

A

Nerve bundle

21
Q

2.

A

Bowman’s gland

22
Q

3.

A

Ducts

23
Q

4.

A

Olfactory epithelium

24
Q

5.

A

Bone

25
Q

1.

A

Olfactory epithelium

26
Q

2.

A

Respiratory epithelium

27
Q

1

A

Goblet cells

28
Q

2..

A

Ciliated epithelial cells

29
Q

3.

A

Basal cells

30
Q

Respiratory epithelium

A

Pseudostratified

31
Q

Larynx epithelium

A

Stratified squamous

32
Q

Olfactory

A

Taller

33
Q

Respiratory

A

Shorter