Vasculature

Question 1

What are the 3 layers of veins?

Answer 1

Tunica intima, media and adventitia.

Question 2

What are the nerves and small blood vessels that sometimes show up in the tunica adventitia called?

Answer 2

Nervi Vascularis,

Vasa vasorum.

Question 3

What are the layers of the Aorta?

Answer 3

Intima,
Inner elastic lamina 
smooth muscle (30-40 layers),
outer elastic lamina.
adventitia.

Question 4

What are the layers in a muscular artery?

Answer 4

Intima
Inner elastic
Smooth Muscle (media)
Outer Elastic
Adventitia

Question 5

What is the structure of an arteriole?

Answer 5

Endothelial cell
Basal lamina
smooth muscles (1-2 layers)

Question 6

What is the name of the cell that surrounds a capillary endothelial cell? What do they do?

Answer 6

Pericyte. Mostly Repair, maybe some contraction.

Question 7

What are the ways to get fluid across a capillary?

Answer 7

1. Pinocytosis vesicles
2. Fenestration
3. Discontinuous endothelium (large molecules can pass through, ie RBC in the spleen)

Question 8

What is the process for leukocyte migration across an endothelium called?

Answer 8

Diapedesis