An α2-globulin in blood that binds cortisol and corticosterone; the principal corticosteroid-binding protein in the plasma. SYN: corticosteroid-binding globulin, corticosteroid-binding protein.
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trans·cor·tin -'kȯrt-ən n an alpha globulin produced in the liver that binds with and transports cortisol in the blood
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trans·cor·tin (trans-korґtin) an α-globulin that specifically and avidly binds and transports in plasma the unconjugated and presumably biologically active cortisol. Called also corticosteroid- or cortisol-binding globulin.Medical dictionary. 2011.