estrone /es·trone/ (es´trōn) an estrogen isolated from pregnancy urine, human placenta, palm kernel oil, and other sources, also prepared synthetically; for properties and uses, see estrogen.
estrone
estrone
es·trone ( s tr n )n. A metabolite of estradiol, commonly found in urine, having considerably less biological activity than estradiol but similar properties and uses. Also called theelin. |
estrone
[es′trōn]
a relatively potent endogenous estrogen. Also spelled oestrone.
estrone
an oxidation product of estradiol, and androstenedione in the animal body; less active than estradiol and produced in greater quantities in the pregnant female.
estrone sulfate test
1. a pregnancy diagnosis carried out on cow's milk; has very high accuracy but impractical because of lateness of applicability, e.g. maximum at day 105 of pregnancy.
2. a test using serum which detects the presence of a retained testicle in horses with no testicles in the scrotum but which are demonstrating sexual behavior.
estrone
E1 An estrogen with very low biologic activity that is the major source of estrogen in children and postmenopausal ♀ ↑ in pregnancy, postmenopausal, ↑ age, obesity, luteal phase of menstrual cycle ↓ in
hypogonadism. See Androstendione.
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