Med Term Ch 8 Cardiovascular System

Front 1

autonomic nervous system (ANS):

Back 1

Portion of the nervous system that regulates involuntary actions, such as heart rate, digestion, and peristalsis.

Front 2

leaflet:

Back 2

Flat, leaf-shaped structure that comprises the valves of the heart and prevents backflow of blood.

Front 3

lumen:

Back 3

Tubular space or channel within an organ or structure of the body; space within an artery, vein, intestine, or tube.

Front 4

regurgitation:

Back 4

backflow or ejecting of contents through an opening.

Front 5

sphincter:

Back 5

circular muscle found in a tubular structure or hollow organ that constricts or dilates to regulate passage of substances through its opening.

Front 6

vasoconstriction:

Back 6

narrowing of the lumen of a blood vessel that limits blood flow, usually as result of diseases, or physiological processes.

Front 7

vasodilation:

Back 7

widening of the lumen of a blood vessel caused by the relaxing of the muscles of the vascular walls.

Front 8

viscosity:

Back 8

state of being sticky or gummy.

Front 9

aneurysmorrhaphy:

Back 9

suture of an aneurysm.

aneurysm/o: widened blood vessel.

-rrhaphy: suture.

Front 10

angioplasty:

Back 10

surgical repair of a vessel.

angi/o: vessel (usually blood or lymph).

-rrhapyy: suture.