alpha-globulin


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Related to alpha-globulin: beta globulin

alpha-globulin

Any of the serum globulins. It is so named because of its position as it migrates in a buffered electrified solution. Alpha globulins include many clinically important proteins, e.g., alpha-1-antitrypsin, angiotensinogen, ceruloplasmin and haptoglobin.
See: globulin, serum

alpha-globulin

glycoprotein found in saliva, tears, colostrum; present in blood plasma but does not cross placental barrier of animals, collecting instead in the maternal colostrum. Called also IgA.