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Human Physiology Terms > Terminology > Flashcards

Flashcards in Terminology Deck (17)
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1

myocardium

muscle/tissues of heart

2

cardiac myocytes

individual cardiac muscle cells

3

endocardium

inner tissue layer of heart

4

epicardium

outer tissue layer of heart

5

pericardium

fibrous sac that surrounds the heart

6

heart chambers

right atrium
right ventricle
left atrium
left ventricle

7

systole

contraction of the heart

8

diastole

relaxation of the heart

9

systolic pressure

pressure within aorta during systole when blood volumes in the vessel are at their highest

10

diastolic pressure

pressure within the aorta during diastole when blood volumes are at their lowest

11

cardiac cycle

1 heartbeat

12

atria

reservoirs for blood
low pressure chambers

13

ventricles

high pressure pumps fo ejection of blood from the heart

14

introphy

contractility of heart muscles

15

dromotrophy

velocity of conduction of the electrical signals

16

chronotrophy

rate of heart beats

17

lusitrophy

relaxation functions of the cardiac muscle and chambers