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Chapter 11 Cardiovascular System
16-30
15
Anatomy
11th Grade
02/12/2012

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Term
ventricle
Definition
discharging chambers of the heart
Term
pulmonary trunk
Definition
a vessel that arises from the right ventricle, extends upward, and divides into the right and left pulmonary arteries that convey unaerated blood to the lungs
Term
superior venae cavae
Definition
aka-precava or SVC-
a large, diameter, yet short vein that carries deoxygenated blood from the upper half of the body to the right atrium
Term
inferior venae canae
Definition
aka-posterior vena cava is the large vein that carries de-oxygenated blood from the lower half of the body into the right atrium of the heart
Term
interventricular septum
Definition
aka- interatrial septum; a septum that divides the heart longitudinally
Term
pulmonary arteries
Definition
the large blood vessels that carry blood from the heart to the lungs
Term
pulmonary veins
Definition
a vein carrying oxygenated blood from the lungs to the left atrium of the heart
Term
pulmonary circulation
Definition
a system of blood vessels that carry blood to and from the lungs for gas exchange
Term
aorta
Definition
the major systematic artery; arises from the left ventricle of the heart
Term
systemic circulation
Definition
system of blood vessels that carries nutrient and oxygen-rich blood to all body organs
Term
atrioventricular valves
Definition
(AV valves) located between the atrial and ventrical chambers on each side; prevents backflow into the atria when the ventricals contract
Term
bicuspid
Definition
aka-mitral valve-left AV valve; consists of 2 flaps endocardium
Term
tricuspid
Definition
right AV valve, has 3 flaps
Term
chordae tendineae
Definition
tiny white cords that anchor the flaps to the walls of ventricle
Term
semilunar valves
Definition
pulmonary and aortic semilunar valves; guards the bases of the 2 large arteries leaving the ventricular chambers; prevents arterial blood from re-entering the heart
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