W8/L5: Respiratory histology Flashcards
What are the components of the conducting part of the respiratory system?
Nasopharynx Larynx Trachi Bronchi Bronchioles
What structures reinforce the wall of the trachea?
C shaped-cartilage rings
At which side are the cartilage rings of the trachea deficient?
The back
How many cartilage rings does the trachea have?
~11
What are the layers of the trachea?
Mucosa
Submucosa
Adventitia
What things comprise the adventitia of the trachea?
Cartilage and the outer layer of CT
What are the components of the respiratory part of the respiratory system?
Respiratory bronchioles
Alveoli
What 3 main cell types are in the respiratory epithelium?
- Ciliated psuedo-stratified columnar cells
- Goblet cells
- Basal cells
What do goblet cells do?
Produce mucus
What things comprise the mucosa of the respiratory system?
The resp. epithelium
Lamina propria
How many bronchi does the right main bronchus split into?
3
Remember Tessa’s “R L” diagram