Globulin - Definition

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Definition


Globulin is a blood protein, one of the two serum proteins along with albumin. Encompassing four classes of proteins-- alpha 1 globulins, alpha 2 globulins, beta globulins and gamma globulins-- it permits the transport of lipids, ions, and other vitamins. Globulin contributes to the formation of blood clots and also participates in the defense of the organism, as it contains antibodies. For example, in case of inflammation, the rate of alpha 1 globulins increases in the blood.