| hemorrhoidal vein |
any of several veins draining the walls of the anal canal and rectum
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| hemodialysis |
dialysis of the blood to remove toxic substances or metabolic wastes from the bloodstream; used in the case of kidney failure
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| hemodialyzer |
artificial kidney: a machine that uses dialysis to remove impurities and waste products from the bloodstream before returning the blood to the patient's body
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| hemodynamics |
the branch of physiology that studies the circulation of the blood and the forces involved
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| hemoglobin |
a hemoprotein composed of globin and heme that gives red blood cells their characteristic color; function primarily to transport oxygen from the lungs to the body tissues; "fish have simpler hemoglobin than mammals"
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