1. Histology Flashcards
1
Q
What are the fundamental differences between veins and arteries?
A
Arteries have thicker walls
Veins have a larger lumen (which are more irregular)
Veins can have valves
2
Q
What are the 3 main layers of a blood vessel wall (from inside to out)?
A
Tunica intima
Tunica media
Tunica adventitia
3
Q
What is the tunica intima made up of?
A
Endothelial cells (May contain pores)
4
Q
What is the main feature of the tunica media?
A
Smooth muscle and collagen
5
Q
What is the tunica adventitia compromised of?
A
Connective tissue
6
Q
What are vasa vasorum?
A
Blood vessels inside blood vessel walls to supply the wall’s cells with oxygen
7
Q
What blood vessel leaves capillaries?
A
Venules