释义 |
œstrin Biochem.|ˈiːs-, ˈɛstrɪn| Also (U.S.) estr-. [f. œstrus + -in1.] Any of various preparations of œstrogenic material; an œstrogen, spec. œstrone.
1926Parkes & Bellerby in Jrnl. Physiol. LXI. 573 We suggest that ‘oestrin’ or some such term..should be applied to the oestrus-producing principle of the ovary. 1933[see prec.]. 1935B. Harrow in Harrow & Sherwin Textbk. Biochem. xxx. 756 The true theelin or estrin, as well as several related compounds, has been isolated in the chemically pure form. 1938Ann. Reg. 1937 348 Oestrin, styryl blue, the acenaphthene derivatives and squalene can act as efficient evocators in embryological induction. 1970W. B. Yapp Introd. Animal Physiol. (ed. 3) viii. 293 Collectively all are called oestrins or oestrogens; they are steroids. |