Ventilation

Question 1

What is collateral ventilation?

Answer 1

Alveoli can be ventilated by channels which bypass the normal route of airways:
- Channels of Martin.
- Canals of Lambert.
- Pores of Kohn.

Question 2

Channels of Martin.

Answer 2

Bronchiole-bronchiole.

Question 3

Canals of Lambert.

Answer 3

Bronchiole-alveolar.

Question 4

Pores of Kohn.

Answer 4

• Alveolar-alveolar.
• Adult alveolus has ~5-20 pores.
• Not present in infants under 1yr.

Question 5

What are channels for collateral ventilation of the lungs?

Answer 5

• Pores of Kohn.
• Channels of Lambert.
• Canals of Martin.