Medical Terminology Flashcards
Components of CVS
Heart
Arteries
Capillaries
Veins
Functions of CVS
Distribute blood to all areas of body
Delivery of needed substances to cells and removal of wastes
Cardiovascular
Relating to the heart and blood vessels
Blood vessel
Any of tubular passageways in cardiovascular system through which blood travels
Coronary artery
Blood vessel that supplies oxygen-rich blood to the heart
Atrium
Either of the two upper chambers of heart
Ventricle
Either of the two lower chambers of heart
Aorta
Largest artery of the body(through which oxygenated blood exists heart)
Aortic value
Value between the aorta and left ventricle
Arteriole
A tiny artery connecting to a capillary
Artery
A thick-walled blood vessel (carries oxygenated blood away from the heart)
Atrioventricular valve
One of two valves that control blood flow between atria and ventricles
Diastole
Relaxation phase of a heartbeat
Systole
Contraction phase of the heartbeat
Endocardium
Membranous lining of chambers and valves of heart; the innermost layer of heart tissue.
Endothelium
Lining of the arteries that secretes substances into the blood
Epicardium
Outermost layer of heart tissue
Myocardium
Muscular layer of heart tissue between epicardium and endocardium
Pulmonary valve
Valve the controls blood flow between right ventricle and pulmonary arteries
Pulse
Rhythmic expansion and contraction o a blood vessel
Semilunar
One of two valves that prevents back flow of blood flowing out of heart into aorta and pulmonary artery
Sinoatrial node
Region of right atrium containing specialized tissue that sends electrical impulses and excite heart for contraction
Sinus rhythm
Normal heart rhythm
Tricuspid
Atrioventricular valve on right side of heart
