Block 2 Blood Vessels Flashcards Preview

Botany > Block 2 Blood Vessels > Flashcards

Flashcards in Block 2 Blood Vessels Deck (38):
1

three layers of blood vessels

tunica intima, media, adventitia

2

working part of organ

parenchyma

3

capillaries, sinus capillaries, post capillary venules do not have blank

3 tunics

4

can you see venules and arterioles without microscope

no

5

adventitia is like blank

ct

6

media is like blank

smooth muscle

7

intima is like blank

epithelium

8

endothelium is super blank so rbc dont stick together

smooth

9

atherosclerosis is the narrowing of the blank of the blood vessel to become narrower due to blank

lumen, cholesterol buildup

10

overly sensitive blood vessels that constrict in brain and cause tissue to die

cerebrovascular vasospasm

11

blood becoming trapped in the tunica media resulting in blank

aneurism

12

elastic artery has elastic sleeve of tissue located in the blank

tunica media

13

elastic bv like aorta act as a second blank due to recoil

pump

14

tunica media of muscular artery has this many layers of smooth muscle

8-40

15

tunica media of arteriole has this many layers of smooth muscle

1-7

16

all arteries have a blank membrane but only some have blank

internal elastic, external elasti membrane

17

tunica media of venule has this many layers of smooth muscle

1-3

18

venules tend to be blank in shape and have blank layers of smooth muscle

irregular, discontinuous

19

small veins have media that are about as thin as blank

adventitia

20

this occurs when valves of vein start to fail

varicose veins

21

large veins have a longitudinal smooth muscle layer in the blank

tunica adventitia

22

alternate route to venule if the smooth muscle pinches off blood from entering capillary bed

metarteriole

23

a ring of cytoplams surrounds the entire lumen type of cappilary

continuous

24

false capillaries are aka blank capillaries and they carry more than one rbc

sinus

25

all capillaries in liver are blank so there is lots of exchange of larger cells like white blood cells

discontinuous

26

capillaries that have little holes in them

fenestrated

27

fenestrated capillaries can be with or without blank

diaphragm

28

fenestrated capillaries without diaphragms occur in blank

glomerulus of kidney

29

postcapillary venule is lined only by blank, is larger than a capillary, and blood cells leave system here

endothelium

30

key id feature of elastic artery

elastic laminae

31

key id feature of muscular artery

compact circular smooth muscle

32

key id feature of arteriole

1-7 layers of smooth muscle

33

key id feature true capillary

one layer (endothelium)

34

key id feature of sinus capillary

similar to capillary but larger

35

key id feature of post capillary venule

similar to capillary but much larger

36

key id feature of venule

1-3 discontinuous layers of smooth muscle

37

key id feature of small / medium size vein

loosely organized smooth muscle layer oriented in 2 directions

38

key id feature of large sized veins

longitudinally oriented smooth muscle in ADVENTITIA