equilenin


Also found in: Wikipedia.

eq·ui·len·in

(ek'wi-len'in),
A weakly estrogenic steroid isolated from urine of pregnant mares.
[L. equa, mare]

equilenin

one of two estrogens produced by the pregnant mare which are unique to Equidae. Both have unsaturated B rings.
References in periodicals archive ?
In addition, metabolism of equilin to equilenin and 17-hydroxyequilenin may contribute to the estrogen stimulatory effect of [conjugated estrogen] therapy.