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Flashcards in Lecture 5 Deck (32)
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2

What is the propria submucosa?

tissue underlying the epithelium

3

What is located in the propria submucosa (5 things)

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

4

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

Warm/cool the air

5

are clara cells ciliated?

no!

6

  1. what is it

  2. what is it

  1. Pseudostratified columnar epithelium

  2. Blood vessels 

7

3

4

3- seromucous glands

4- propria-submucosa

8

what is function of seromucous glands

  1. Trap particulate materials and microbes
  2. Humidify the air

9

are there glands in bronchioles and beyond?

no!

10

  1. ?
  2. ?
  3. ?
  4. ?

  1. ciliated Pseudostratified columnar epithelium

  2.  duct??

  3. seromucous glands

  4. artifacts

11

5?

6

7

  • what is this a picture of?

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

  • trachea

12

What is function of smooth muscle in respiratory tract

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

13

1

2

3

  1. Ciliated Pseudostratified columnar epithelium

  2. Connective tissue layer

  3. Blood vessel

14

4

5

4- Hyaline cartilage

5- Smooth muscle

15

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

increase

16

  • what is this a slide of?

1

2

  • bronchus

  1. Smooth muscle

  2. Lymph nodules

17

What is function of lymph nodules in respiratory tract?

Fight against airborne infection

18

  1. what are the purple dots in the blue circle?
  2. What is their function?

  1. elastic fibers
  2. Support the conducting (and respiratory) airways
    • Allow to move in multiple directions

19

Where is hyaline cartilage found in the respiratory tract?

trachea and bronchi

20

  1. what is it
    • function?
  2. what is it?
    • function?

  1. trachealis muscle
    • Regulates airflow by changing the airway diameter

  2. tracheal cartilage
    • Keeps the trachea open during inhalation & exhalation

21

3

4

3- Propria-submucosa

4- Respiratory epithelium

22

what is the name for the whole structure of 1

tracheal cartilage

23

  • what is this a picture of
  1. what is it
  2. what is it
  3. what is it

  • bronchus
  1. ciliated pseduostratified columnar epithelium

  2. Propria submucosa

  3. Duct

24

4?

5?

6?

4- Hyaline cartilage
5- Glands
6- Lymphatic vessels

25

  • what is this an image of?
  1. what is it?
  2. what is it?

  • bronchus
  1. hyaline cartilage
  2. ciliated pseduostratified columnar epithelium

26

  • what is this an image of?
  1. what is it
  2. ?
  3. ?

  • bronchus
  1. Smooth muscle

  2. Seromucous gland

  3. Hyaline cartilage

27

  1. ?
  2. ?
  3. ?

  1. Blood vessel
  2. Alveoli

  3. bronchiole (no cartilage)

28

what is this

Bronchoscopic view of a normal trachea

29

  1. what is this
  2. what side is dipping down?

  1. Bronchoscopic view of a collapsing trachea. 

  2. dorsal side

    • will collapse first

30

  1. what is it
  2. what is it

  1. Normal diameter trachea
  2. Collapsing trachea