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a1 |
one of the four human blood types. (See ABO system.) [1/6 definitions] |
AB1 |
one of the four human blood groups. (See ABO system.) |
ABO system |
a classification system for the inherited antigens found on the surface of human red blood cells, which determine compatibility for blood transfusions. |
acetylcholine |
a form of this compound used in medicine for its ability to decrease blood pressure and cause muscular movement in such organs as the alimentary canal. [1/2 definitions] |
acne rosacea |
a chronic skin condition affecting the face that is characterized by redness, pimples, swelling, and dilation of blood vessels; rosacea. |
acquired immune deficiency syndrome |
a serious viral disease of the body's immune system, transferred through blood, sexual contact, contaminated hypodermic needles, or the like; AIDS. |
Addison's disease |
a disease caused by disturbance or failure of the adrenal glands, resulting in anemia, low blood pressure, weakness, and an abnormal brownish tinge to the skin. |
aerate |
to supply (the blood) with oxygen by respiration. [1/3 definitions] |
afferent |
bearing or leading toward a central organ or part, as nerves that conduct impulses to the spinal column or as veins that carry blood to the heart. |
AIDS |
acronym of "acquired immune deficiency syndrome," a serious viral disease of the body's immune system, transferred through blood, sexual contact, contaminated hypodermic needles, or the like. |
akin |
related by blood; kin. [1/2 definitions] |
albumin |
any of a class of proteins soluble in water and coagulating in heat, found in egg white, blood, milk, and various plant and animal tissues. |
anastomose |
to connect, either by natural branching growth or by surgery (parts of a blood vessel, nerve, or any branching system). |
anastomosis |
an interconnection between branches or tributaries, as in a river or blood vessels. [1/2 definitions] |
anemia |
a physical problem caused by having too few red blood cells or red blood cells that are not working in the right way. People with anemia may feel tired and weak. |
anemic |
pertaining to or suffering from anemia, a condition resulting from a deficiency of red blood cells or hemoglobin and characterized by weakness, pallor, and difficulty in breathing. [1/2 definitions] |
angina pectoris |
severe recurrent pain in the chest caused by a sudden decrease in the amount of blood flowing to the heart muscle. |
angiogenesis |
the formation of new blood vessels. |
angiogram |
an x-ray image of blood vessels that is taken after injecting a substance that absorbs x-rays into the blood. |
angiography |
a technique for imaging blood vessels. |
angioma |
a tumor consisting mainly of blood vessels or lymph vessels. |
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