Finals: Circulatory System Flashcards Preview

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Flashcards in Finals: Circulatory System Deck (37)
0

What cell type lines the natural free surfaces of BV & the interior of the heart

Endothelial

1

What is the cell that lies close to the endothelium, contains actin & myosin and has contractile ability

Pericyte

2

What heart wall layer is mostly closely associated with pericardium

Epicardium

3

What type of BV has a thin wall compared to its lumen

Vein

4

What is the name of the membrane closely associated with tunica intima

External Elastic Membrane

5

What do capillaries lack that arteries and veins possess in their walls

Smooth muscle

6

What structure is located in the Right Atrium

SA node

7

What is the innermost layer of blood vessels

Tunica intima

8

The release of what substance during clot formation stimulates smooth muscles in arteries to contract

Thromboxane A2

9

A sinusoid is a type of what structure

Capillary

10

What is the name for the small blood vessels in the walls of blood vessels

Vasa vasorum

11

What structure in the kidney contains fenestrated capillaries

Glomerulus

12

What BV is heavily invested with elastic fibers

Aorta

13

What type of capillary is simple an epithelial tube with no basal lamina

Lymphatic

14

What layer of the heart wall contains the most cardiac muscles

Myocardium

15

What type of cell lines the external surface of the heart

Mesothelial

16

In general, in large vessels, where are the vasa vasora located

Tunica adventitia

17

What layer of the artery wall is the thickest

Tunica media

18

What chemical is released from nerve fibers that cause arterial constriction

Norepinephrine

19

In general, what do veins have that arteries don't

Valves

20

What type of tissue comprises the annuli fibrosi

Connective tissue

21

What type of BV has a thick wall compared to its lumen

Artery

22

What membrane is associated with tunica intima

Internal Elastic Membrane

23

Sinusoidal capillaries are seen in the spleen, liver, & in what specific part of what other organ

Adenohypophysis

24

What layer of the heart contains endothelium

Endocardium

25

What type of fiber is observed in abundance among the smooth muscle fibers of the tunica media of the aorta

Elastic fibers

26

What layer of the wall of a large vein is most prominent

Tunica adventitia

27

What glycoprotein factor is part of the clotting mechanism

Von Wilberbrand factor

28

What type of BV is found in endocrine glands & tissues where absorption is occurring

Fenestrated capillaries

29

What is the DCT that comprises the skeleton of the heart

Annuli fibrosis

30

Prominent inner & outer elastic membrane are criteria for what type of blood vessels

Muscular artery

31

What is the pacemaker of the heart

SA node

32

What BV controls blood flow into a capillary

Arteriole

33

What major BV has a poorly developed tunica media & a thick tunica adventitia rich in elastic fibers

Vena cava

34

What type of artery is the aorta

Elastic artery

35

Where is Von Willebrand factor stored in the endothelial cell

Weibel-palade bodies

36

What layer of the vessel wall contains primary longitudinally arranged collagen fibers & nervi vascularis

Tunica adventitia