Blood and Blood Vessels
acidosisMedicine. a condition of the blood in which the alkali reserve is lower than normal. Also called acid intoxication, autointoxication. —acidotic, adj.aneurism, aneurysma disease of the artery wall that causes a localized dilatation of the artery and a pulsating tumor.angiographythe scientific description of blood vessels. —angiographic, angiographical, adj.angiologythe branch of anatomy that studies the blood vessels and the lymphatics.angiopathologythe pathology of, or changes seen in, diseased blood vessels.anoxemiaa lowering of the normal level of oxygen in the blood, of ten experienced at high altitudes.diapedesisthe process in which blood corpuscles soak into surrounding tissue through the natural pores of the blood vessels.ecchymosis1. the secretion of blood from a blood vessel into the surrounding tissue as a result of a bruise.2. the bruise or discoloration thus caused.embolismthe sudden obstruction of a blood vessel by a foreign object, as an air bubble or a blood clot.enriositatisdrunkenness or intoxication from alcohol, especially as a habitual state.enterotoxemiaa condition in which the blood contains toxin from the intestines.epistaxisbleeding from the nose; nosebleed.erythrocytometera device for measuring the count of red blood cells in the blood.erythrocytometrymeasurement of the red blood cells in the blood by use of an erythrocytometer.hemadynamometrythe measurement of blood pressure.hemophobiaan abnormal fear of the sight of blood. Also hematophobia.hematidrosisthe excretion of bloody sweat.hematocrita centrifuge used for separating blood cells from the plasma.hematologythe branch of medical science that studies the morphology of the blood and blood-forming tissues. —hematologist, haematologist, n. —hematologie, haematologic, hematological, haematological, adj.hematomancy, haematomancydivination by means of blood.hematophobia, haematophobiahemaphobia.hematopoiesisthe formation of blood. —hematopoietic, haematopoietic, adj.hematosis, haematosis1. hematopoiesis.2. the conversion of venous blood into arterial blood by oxygenation in the lungs.hemautographya method of tracing variations in blood pressure by having an arterial jet mark a special tracing paper. —hemautograph, n. —hemautographic, adj.hemolysisthe breaking down of erythrocytes with liberation of hemoglobin in the blood. —hemolytic, haemolytic, adj.hemopathologythe branch of medical science that studies the diseases of the blood.hemophiliaa tendency to uncontrolled bleeding. Also hemorrhaphilia, haemorrhaphilia. —hemophiliac, haemophiliac, n., adj.hemostasisthe stoppage of bleeding or cessation of the circulation of the blood; stagnation of the blood in a part of the body. Also hemostasia, haemostasia.hemostatica styptic agent or substance. —hemostatic, haemostatic, adj.homoiothermy, homoiothermismthe state or condition of being warmblooded, as mammals and other animals. Cf. poikilothermy. —homoiothermal, homoiothermic, homoiothermous, homeothermal, homiothermal, adj.hyperemiaa congestion of the blood, occurring in any part of the body. —hyperemic, hyperaemic, adj.hypostasisa deposit or sediment, particularly a settling of blood in lower parts of the body as a result of a slowing down in the circulation. —hypostatic, hypostatical, adj.manometer1. an instrument for measuring the pressure of gases or vapors.2. an instrument for measuring blood pressure. Also called sphygmanometer. —manometric, adj.melanemia, melanaemiaa disease of the blood, distinguished by the presence in the blood of black pigment.pachyemia, pachyaemiathickening of the blood.phagocytea blood cell that ingests and destroys bacteria, foreign particles and other cells in the bloodstream. —phagocytic, adj.phagocytosisthe action of phagocytes in ingesting and destroying cells.phlebographythe scientific description of vein structure. —phlebographical, adj.phlebologythe study of the veins. —phlebological, adj.phlebotomya medical treatment involving incision of a vein; bloodletting. Also called venesection. —phlebotomist, n. —phlebotomize, v. —phlebotomic, phlebotomical, adj.poikilothermismthe state or condition of being cold-blooded, as reptiles and other animals. Cf. homoiothermy. —poikilothermal, poikilothermic, poikilothermous, adj.sapremia, sapraemiablood poisoning caused by putrefactive microorganisms in the bloodstream.sepsisblood poisoning caused by absorption into the blood of pathogenic microorganisms. —septic, adj.septicemiablood poisoning caused by pathogenic microorganisms and their toxic products in the bloodstream. —septicemic, —septicaemic, adj.sphygmographythe scientific description or recording of the pulse. —sphygmograph, n. —sphygmographic, sphygmographical, adj.sphygmologyMedicine. the sum of what is known about the pulse.sphygmomanometermanometer, def. 2.stypticitythe property of being astringent or tending to halt bleeding by contraction of the tissues. —styptic, adj.toxemia, toxaemia1. a condition of illness due to the presence in the bloodstream of toxins.2. blood poisoning. —toxemic, toxaemic, adj.uremia, uraemiaa toxic condition resulting from the presence of urinary constituents in the blood, caused by deficiencies in the secretion of urine. —uremic, uraemic, adj.