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Circulatory Test Review

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Endocardium
inner lining of the heart
Pericardium
protective sac enclosing the heart composed of two layers with fluid between
Myocardium
the middle muscular layer of the heart wall
Diastole
the widening of the chambers of the heart between two contractions when the chambers fill with blood
Systole
the contraction of the chambers of the heart (especially the ventricles) to drive blood into the aorta and pulmonary artery
Arterioles
small vessels that receive blood from the arteries
Veins
blood vessels that carry blood back to the heart
Arteries
blood vessels that carry blood away from the heart
Capillaries
tiny vessels that join arterioles and venules
Plasma
colorless watery fluid of blood and lymph containing no cells and in which erythrocytes and leukocytes and platelets are suspended
Hemoglobin
a hemoprotein composed of globin and heme that gives red blood cells their characteristic color
Aorta
the large trunk artery that carries blood from the left ventricle of the heart to branch arteries
Erythrocytes
red blood cells
Thrombocytes
platelets
Leukocytes
White blood cells
Hemophilia
congenital tendency to uncontrolled bleeding
Aneurysm
a cardiovascular disease characterized by a sac-like widening of an artery resulting from weakening of the artery wall
Leukemia
malignant neoplasm of blood-forming tissues
Phlebotomist
One who draws blood from patients of donors for dignostic testing or other medical purposes
Cardiologist
a specialist in cardiology
Hematologist
a doctor who specializes in diseases of the blood and blood-forming organs
Electrocardiogram
a graphical recording of the cardiac cycle produced by an electrocardiograph