Anatomy of CVS 2

Question 1

what are the 3 different types of artery

Answer 1

elastic - large elastic fibres
muscular - smooth muscle
arteriole - expands and contracts to control flow to capillary bed

Question 2

what are the 3 tunics that make up blood vessels

Answer 2

tunica intima
tunica media
tunica externa

Question 3

describe tunica intima

Answer 3

simple squamous epithelium - endothelium
basement membrane
connective tissue

Question 4

describe tunica media

Answer 4

smooth muscle tissue

elastic tissue

Question 5

describe tunica externa

Answer 5

fibrous connective tissue

Question 6

What is the media and externa like in arteries

Answer 6

thick media

thin externa

Question 7

What is the media and externa like in veins

Answer 7

thin media

thick externa

Question 8

what is different between arteries and veins

Answer 8

diameter
thickness of wall
adventitia

Question 9

what is there between the media and intima layers of tunica

Answer 9

Internal elastic lamina – Elastic fibres

Question 10

what is there between the media and adventitia/external layers of tunica

Answer 10

external elastic lamina

elastic fibres

Question 11

define a capillary

Answer 11

a single endothelial cell folded on itself

Question 12

what are the 3 types of capillaries

Answer 12

continuous
fenestrated
discontinous

Question 13

what are valves

Answer 13

projections of endothelium into the lumen