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hypertension

(Encyclopedia)hypertension or high blood pressure, elevated blood pressure resulting from an increase in the amount of blood pumped by the heart or from increased resistance to the flow of blood through the small a...

Heiligenblut

(Encyclopedia)Heiligenblut hīˌlĭgənblo͞otˈ [key] [Ger.,=holy blood], village, Carinthia prov., SW Austria, at the foot of the Grossglockner. It is a winter sports and mountain-climbing center. Heiligenblut is...

cyanosis

(Encyclopedia)cyanosis sīˌənōˈsĭs [key], bluish coloration of the skin, mucous membranes, and nailbeds, resulting from a lack of oxygenated hemoglobin in the blood. It is a symptom of many disorders, includin...

hemorrhage

(Encyclopedia)hemorrhage hĕmˈərĭj [key], escape of blood from the circulation (arteries, veins, capillaries) to the internal or external tissues. The term is usually applied to a loss of blood that is copious e...

injection

(Encyclopedia)injection, introduction of a fluid into the body, usually by means of a needle and syringe. The material injected may be a test substance (as in determining allergic sensitivity or immunity to a disea...

biofeedback

(Encyclopedia)biofeedback, method for learning to increase one's ability to control biological responses, such as blood pressure, muscle tension, and heart rate. Sophisticated instruments are often used to measure ...

anaplasmosis

(Encyclopedia)anaplasmosis ănˌəplăzmōˈsĭs [key], infectious blood disease in cattle, sheep, and goats, caused by a rickettsia of the genus Anaplasma. The organism parasitizes red blood cells, causing their d...

frostbite

(Encyclopedia)frostbite (chilblains), injury to the tissue caused by exposure to cold, usually affecting the extremities of the body, such as the hands, feet, ears, or nose. Extreme cold causes the small blood vess...

mononucleosis, infectious

(Encyclopedia)mononucleosis, infectious mŏnˌəno͞oˌklēōˈsĭs [key], acute infectious disease of older children and young adults, occurring sporadically or in epidemic form, also known as mono, glandular feve...

arteriosclerosis

(Encyclopedia)arteriosclerosis ärtĭrˌēōsklərōˈsis [key], general term for a condition characterized by thickening, hardening, and loss of elasticity of the walls of the blood vessels. These changes are freq...