Ch. 5 Anatomic Terms Flashcards Preview

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Flashcards in Ch. 5 Anatomic Terms Deck (26):
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atrium

upper right or left chamber of the heart

1

endocardium

membrane lining the cavities of the heart

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epicardium

membrane forming the outer layer of the heart

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interatrial septum

division between atria

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interventricular septum

division between ventricles

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myocardium

heart muscle

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pericardium

protective sac surrounding the heart

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visceral pericardium

layer closest to heart (visceral = pertaining to organ)

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parietal pericardium

outer layer (parietal = pertaining to wall)

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pericardial cavity

fluid filled cavity between layers of the pericardium

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ventricle

lower right and left chambers of the heart

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heart valves

structures within the heart that regulate the one-way flow of blood

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aortic valve

valve between the left ventricle and the aorta

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mitral or bicuspid valve

heart valve between the left atrium and the left ventricle (cuspis = point)

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pulmonary semilunar valve

heart valve from right ventricle to pulmonary artery (luna = moon)

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tricuspid valve

heart valve from right atrium to right ventricle

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valves of the veins

valves located within the lining of the veins

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arteries

vessels that carry blood away from the heart

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aorta

large artery branching from the left ventricle

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arterioles

small arteries

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capillaries

tiny vessels that join arterioles to venules

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venules

tiny veins

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veins

vessels that carry blood toward the heart

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systemic circulation

circulation of the blood throughout the body

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coronary circulation

circulation of blood to the heart muscle tissue

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pulmonary circulation

circulation of blood to the lungs for gas exchange

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