Blood vessel histology

Question 1

What are the 3 layers of blood vessels? (histology)

Answer 1

Tunica intima
Tunica media
Tunica adventitia

Question 2

What are the 3 components of the tunica intima?

Answer 2

Endothelium
Subendothelium
Internal elastic lamina

Question 3

What are the 2 components of the tunica media?

Answer 3

Smooth muscle fibres
External elastic lamina

Question 4

What are the 2 components of the tunica adventitia?

Answer 4

Connective tissue
Vasa vasorum

Question 5

What are the vasa vasorum?

Answer 5

Small blood vessels that provide oxygen to the outer wall of the vessel

Question 6

Which histological layer is thick in the muscular arteries?

Answer 6

Tunica media

Question 7

Damage to the endothelium lining a blood vessel leads to the accumulation of what?

Answer 7

LDL cholesterol in the tunica intima

Question 8

Which cells help to repair capillaries?

Answer 8

Pericytes

Question 9

Exchange between the capillary blood and tissue cells occurs by which two mechanisms?

Answer 9

Passive diffusion
Pinocytosis

Question 10

What are the 3 types of capillary?

Answer 10

Continuous
Fenestrated
Sinusoidal

Question 11

Sinusoidal capillaries are found in areas where large amounts of what need to be exchanged?

Answer 11

Protein