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BMS 334 (Histology) > Lecture 5 > Flashcards

Lecture 5 Flashcards

1
Q
A
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2
Q

What is the propria submucosa?

A

tissue underlying the epithelium

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3
Q

What is located in the propria submucosa (5 things)

A
  1. Blood vessels
  2. Secretory glands:
    • Seromucous glands
  3. Smooth muscle
  4. Lymph nodules
  5. Elastic fibers
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4
Q

What is the function of blood vessels of the nasal cavity?

A

Warm/cool the air

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5
Q

are clara cells ciliated?

A

no!

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6
Q
  1. what is it
  2. what is it
A
  1. Pseudostratified columnar epithelium
  2. Blood vessels
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7
Q

3

4

A

3- seromucous glands

4- propria-submucosa

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8
Q

what is function of seromucous glands

A
  1. Trap particulate materials and microbes
  2. Humidify the air
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9
Q

are there glands in bronchioles and beyond?

A

no!

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10
Q
  1. ?
  2. ?
  3. ?
  4. ?
A
  1. ciliated Pseudostratified columnar epithelium
  2. duct??
  3. seromucous glands
  4. artifacts
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11
Q

5?

6

7

  • what is this a picture of?
A

5- Hyaline cartilage
6- Propria submucosa
7- Adipose tissue, fat cells

  • trachea
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12
Q

What is function of smooth muscle in respiratory tract

A

Contract and relax, regulate appropriate amount of air flow in the airway

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13
Q

1

2

3

A
  1. Ciliated Pseudostratified columnar epithelium
  2. Connective tissue layer
  3. Blood vessel
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14
Q

4

5

A

4- Hyaline cartilage

5- Smooth muscle

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15
Q

Relative thickness of smooth mm. ____________ as the conduction airway decreases in size.

A

increase

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16
Q
  • what is this a slide of?

1

2

A
  • bronchus
    1. Smooth muscle
    2. Lymph nodules
17
Q

What is function of lymph nodules in respiratory tract?

A

Fight against airborne infection

18
Q
  1. what are the purple dots in the blue circle?
  2. What is their function?
A
  1. elastic fibers
  2. Support the conducting (and respiratory) airways
    • Allow to move in multiple directions
19
Q

Where is hyaline cartilage found in the respiratory tract?

A

trachea and bronchi

20
Q
  1. what is it
    • function?
  2. what is it?
    • function?
A
  1. trachealis muscle
    • Regulates airflow by changing the airway diameter
  2. tracheal cartilage
    • Keeps the trachea open during inhalation & exhalation
21
Q

3

4

A

3- Propria-submucosa

4- Respiratory epithelium

22
Q

what is the name for the whole structure of 1

A

tracheal cartilage

23
Q
  • what is this a picture of
  1. what is it
  2. what is it
  3. what is it
A
  • bronchus
    1. ciliated pseduostratified columnar epithelium
    2. Propria submucosa
    3. Duct
24
Q

4?

5?

6?

A

4- Hyaline cartilage
5- Glands
6- Lymphatic vessels

25
Q
  • what is this an image of?
  1. what is it?
  2. what is it?
A
  • bronchus
  1. hyaline cartilage
  2. ciliated pseduostratified columnar epithelium
26
Q
  • what is this an image of?
  1. what is it
  2. ?
  3. ?
A
  • bronchus
    1. Smooth muscle
    2. Seromucous gland
    3. Hyaline cartilage
27
Q
  1. ?
  2. ?
  3. ?
A
  1. Blood vessel
  2. Alveoli
  3. bronchiole (no cartilage)
28
Q

what is this

A

Bronchoscopic view of a normal trachea

29
Q
  1. what is this
  2. what side is dipping down?
A
  1. Bronchoscopic view of a collapsing trachea.
  2. dorsal side
    • will collapse first
30
Q
  1. what is it
  2. what is it
A
  1. Normal diameter trachea
  2. Collapsing trachea
31
Q

at the thoracic portion of trachea

  1. during expiration how will the collapsing trachea look like?
  2. inhalation?
A
  1. Expiration- trachea will be collapsed,
    • will be under pressure from thoracic cavity
  2. Inhalation- trachea will be larger
32
Q

At the cervical portion of trachea

  1. during expiration how will the collapsing trachea look like?
  2. inhalation?
A
  1. Larger diameter
  2. Collapsed

BMS 334 (Histology) (14 decks)

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