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Med Terms VI CMA

CMA Med Terms Cardio Vascular System

Heart card/o, cardi/o
Blood Vessels angi/o, vas/o
Arteries arteri/o
Capillaries capill/o
Veins phleb/o, ven/o
Blood hem/o, hemat/o
vascul blood vessels,
–ar pertaining to
–um a singular noun ending
pericardium the double-walled membranous sac thatencloses the heart
Cardiovascular (CV) pertaining to the heart and blood vessels
Membranous pertaining to a thin layer of pliable tissue that covers or encloses a body part.
Pericardial fluid found in the space between the layers of the pericardium prevents friction when the heart beats.
epicardium the external layer of the heart and also is part of the inner layer of the pericardial sac
epi- upon
myocardium is the middle and thickest of the three layersand it consists of specialized cardiac muscle
endocardium is the lining of the heart
endo- within
Functions of coronary arteries and veins To supply the blood needs of the myocardium
atria, atrium the two upper (receiving) chambers of the heart; all blood vessels coming into the heart enter here
Interatrial Septum a wall that separates two chambers.
ventricles The two lower chambers of the heart. All blood vessels leaving the heart emerge from the ventricles
Interventricular Septum pumping chambers that separate the ventricles
cardiac apex the narrow tip of the heart
The tricuspid valve controls the opening between the right atrium and the right ventricle
The pulmonary semilunar valve is located between the right ventricle and the pulmonary artery
The mitral valve, bicuspid valve is located between the left atrium and left ventricle
The aortic semilunar valve is located between the left ventricle and the aorta
conduction system electrical impulsesfrom nervesthat stimulate the myocardium of the chambers of the heart and controlled by thesinoatrial (S-A) node, atrioventricular (A-V) node, and bundle.
Endarterial pertaining to the lining of an artery
aorta largest blood vessel in the body, is the main trunk of the arterial system and begins from the left ventricle of the heart.
coronary arteries branch from the aorta and divide again tosupply blood to the myocardium
arterioles the smaller thinner branches of arteries, carry blood to the capillaries throughout the body
Capillaries the anatomic units that connect the arterial and venous circulatory systems
veins form a low-pressure collecting system to return the oxygen-poor blood to the heart
Venules small veins that join to form the larger veins
venae cavae the two large veins that return blood into theheart
superior vena cava blood from the upper portion of the body
inferior vena cava brings blood from the lower portion of the body
pulse the rhythmic pressure against the walls of an artery caused by the contraction of the heart
Blood pressure the measurement of the amount of pressure exerted against the walls of the vessels
Systolic pressure the highest pressure against the walls of the blood vessels, occurs when the entricles contract
Diastolic pressure the lowest pressure against the walls of the blood vessels, occurs when the ventricles are relaxed
Plasma a straw-colored fluid that contains nutrients, hormones, and waste products
Fibrinogen and prothrombin the clotting proteins found in plasma
Serum Plasma with fibrinogen and prothrombin removed
Formed Elements of the Blood the erythrocytes (red blood cells), leukocytes (white blood cells), and thrombocytes (platelets)(blood corpuscles)
Created by: dkot