Histology: Respiratory System Flashcards Preview

Pathology > Histology: Respiratory System > Flashcards

Flashcards in Histology: Respiratory System Deck (11):
1

What are the layers of the trachea?

- Mucosa
- Submucosa
- Hyaline Cartilage - C-shaped
- Adventitia

2

What types of cells are found in the tracheal mucosa?

Ciliated pseudostratified columnar epithelium

3

Which of the bronchi is larger?

Right is wider and more vertical than the left

4

What are the layers of the primary bronchi?

Similar to trachea:
- Mucosa
- Submucosa
- Hyaline Cartilage
- Adventitia

5

What are the layers of the secondary and tertiary bronchi?

- Mucosa
- Submucosa
- Hyaline Cartilage - cartilage plates
- Adventitia

6

What are the layers of the bronchioles?

- Mucosa - Clara cells with no cilia which replace the goblet cells
- Smooth Muscle
- Adventitia

7

What is missing in the bronchioles that is in the bronchi?

No cartilage

8

What are dust cells?

Alveolar Macrophages

9

Which area of the bronchus is predominantly effected by asthma?

Submucosa

10

Function of Clara Cells

This cell secretes glycosaminoglycans to protect the bronchiole lining.

11

Function of Goblet Cells

This cell secretes gel forming mucins, which are the major component of mucus.

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