Chapter 9 - Circulation Flashcards Preview

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Flashcards in Chapter 9 - Circulation Deck (32)
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1

Endocardium

Thin membrane that lines the chambers and valves

2

Myocardium

Thick muscle layer that makes up most of the heart wall

3

Epicardium

Thin membrane that covers the heart

4

Pericardium

Fibrous sac that contains the heart and anchors it to surrounding structures.

5

Septum

Heart wall

6

Pulmonary circuit

Low in oxygen. Pumped to lungs. On the right side

7

Systemic circuit

High in oxygen. Pumped to the body. On the left side

8

Functional murmur

Normal heart sounds

9

Systole

Contraction of the heart

10

Diastole

Relaxation of the heart

11

Sinoatrial node (SA)

Upper right atrium. Called the pacemaker as it sets the heart rate

12

Atrioventrical node (AV)

Bottom of the right atrium near the ventricle

13

AV Bundle

At the top of the interventricular septum

14

Bundle branches

Travel along the left and ride sides of the septum

15

Purkinje fibers

Carry stimulation throughout the walls of the ventricles.

16

ECG

Electrocardiography. Measures hearts electrical functions

17

Angi/o

Vessel

18

Vas/o, vascul/o

Vessel, duct

19

Arteriol/o

Arteriole

20

Aort/o

Aorta

21

Ven/o, ven/i

Veni

22

Phleb/o

Vein

23

Atherosclerosis

Accumulation of fatty deposits within the lining of an artery

24

Ischemia

Reducing blood flow tissues

25

Lymph/o

Lymph, lymphatic system

26

Lympaden/o

Lymph node

27

Lymphangi/o

Lymphatic vessel

28

Spel/o

Spleen

29

Thym/o

Thymus

30

Tonsil/o

Tonsil