estrone(redirected from ketohydroxyestrin)
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an estrogen isolated from pregnancy urine, the human placenta, and palm kernel oil, and also prepared synthetically; used in estrogen replacement therapy for hypogonadism, ovariectomy, primary ovarian failure, atrophic vaginitis, vasomotor menopausal symptoms such as hot flashes, and vulvar atrophy, and in the treatment of dysfunctional uterine bleeding and advanced prostate cancer. Administered intramuscularly or intravaginally. See also conjugated estrogens and esterified estrogens.
A metabolite of 17β-estradiol, commonly found in urine, ovaries, and placenta; has considerably less biologic activity than the parent hormone.
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.
An estrogenic hormone, C18H22O2, that is secreted by the ovaries and by fatty tissue. It is the main form of estrogen in postmenopausal women.
a relatively potent endogenous estrogen. Also spelled oestrone.
estroneE1 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.
A metabolite of 17β-estradiol, commonly found in urine, ovaries, and placenta, with considerably less biologic activity than the parent hormone.
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.