PBL 7 Flashcards
What are the lungs divided into lobes by?
transverse and oblique fissures
How many lobes are in the right lung?
3
How many lobes are in the left lung?
2
What happens at the hilum?
The vessels, nerves and lymphatics enter the lungs`
Where do the vessels nerves and lymphatics enter the lungs?
The lung root or hilum
What are the lobes divided into?
Wedge shaped bronchopulmonary segments
Where are the apices of the bronchopulmonary segments?
The hilum
Where are the bases of the bronchopulmonary segments?
Lung surface
What are the broncopulmonary segments supplied by?
Its own segmental bronchus, artery and vein
What is the apex?
The most superior tip of each lung. It protrudes above the clavicle
What is the base?
The inferior concave surface that rests on the diaphragm
What is the hilum?
The triangular region on the medial surface of the lung
What are fissures?
Narrow depressions that divide the left and right lungs into their lobes
What is the cardiac impression?
A concavity situated on the anteroinferior and medial surface of each lung, in which the heart rests
What are pleura?
The double sheet of membrane that covers the lungs. Each lung has its own pluera