norgestreln.

Brit.

/nɔːˈdʒɛstr(ə)l/, U.S.

/nɔrˈdʒɛstr(ə)l/

Origin: Formed within English, by derivation. Etymons: nor- prefix, progestogen n., English -rel.

Etymology: < nor- prefix + -gest- (in progestogen n.) + -rel, of uncertain origin, probably after norethynodrel n.

Pharmacology.

A synthetic steroid hormone, C₂₁H₂₈O₂, which has actions similar to those of progesterone and is used chiefly in oral contraceptives.Norgestrel occurs as a racemic mixture; the bioactive form is laevorotatory (see levonorgestrel n.).

ΘΚΠ

the world > health and disease > healing > medicines or physic > medical preparations of specific origin > hormones and substances with same effect > [noun]

epinephrine1899

pituitrin1909

oxytocin1927

Pitocin1929

Pitressin1929

progestin1930

progesterone1935

methyltestosterone1936

pregnenolone1936

hexœstrol1939

stilboestrol1939

hydroxyprogesterone1941

progestogen1941

Premarin1942

hydroxycorticosterone1943

gestagen1948

hydrocortisone1951

cortisol1953

fluorohydrocortisone1954

isophane1954

prednisolone1955

prednisone1955

norethisterone1956

norethynodrel1957

dexamethasone1958

fludrocortisone1958

norethindrone1960

antidiuretic hormone1961

medroxyprogesterone1962

Pergonal1963

mesterolone1965

norgestrel1966

quinestrol1966

pancuronium1967

pentagastrin1967

levonorgestrel1977

1966 R. A. Edgren et al. in Internat. Jrnl. Fertility 11 389 Norgestrel..is a highly potent, totally synthetic progestogen chemically related to norethisterone and norethynodrel.

1986 Contraception 33 394 The metabolic effects of an injectable contraceptive, Depo-provera.., an oral contraceptive pill containing 50 μg ethinyl estradiol and 500 μg norgestrel..were compared.

1998 Amer. Jrnl. Obstetr. & Gynecol. 178 787 Low dosages of either dl-norgestrel..or medroxyprogesterone acetate..when combined with conjugated estrogen significantly improve plasma lipoprotein lipids of postmenopausal women.

This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).

单词	norgestrel
释义	norgestreln. Brit. /nɔːˈdʒɛstr(ə)l/, U.S. /nɔrˈdʒɛstr(ə)l/ Origin: Formed within English, by derivation. Etymons: nor- prefix, progestogen n., English -rel. Etymology: < nor- prefix + -gest- (in progestogen n.) + -rel, of uncertain origin, probably after norethynodrel n. Pharmacology. A synthetic steroid hormone, C₂₁H₂₈O₂, which has actions similar to those of progesterone and is used chiefly in oral contraceptives.Norgestrel occurs as a racemic mixture; the bioactive form is laevorotatory (see levonorgestrel n.). ΘΚΠ the world > health and disease > healing > medicines or physic > medical preparations of specific origin > hormones and substances with same effect > [noun] epinephrine1899 pituitrin1909 oxytocin1927 Pitocin1929 Pitressin1929 progestin1930 progesterone1935 methyltestosterone1936 pregnenolone1936 hexœstrol1939 stilboestrol1939 hydroxyprogesterone1941 progestogen1941 Premarin1942 hydroxycorticosterone1943 gestagen1948 hydrocortisone1951 cortisol1953 fluorohydrocortisone1954 isophane1954 prednisolone1955 prednisone1955 norethisterone1956 norethynodrel1957 dexamethasone1958 fludrocortisone1958 norethindrone1960 antidiuretic hormone1961 medroxyprogesterone1962 Pergonal1963 mesterolone1965 norgestrel1966 quinestrol1966 pancuronium1967 pentagastrin1967 levonorgestrel1977 1966 R. A. Edgren et al. in Internat. Jrnl. Fertility 11 389 Norgestrel..is a highly potent, totally synthetic progestogen chemically related to norethisterone and norethynodrel. 1986 Contraception 33 394 The metabolic effects of an injectable contraceptive, Depo-provera.., an oral contraceptive pill containing 50 μg ethinyl estradiol and 500 μg norgestrel..were compared. 1998 Amer. Jrnl. Obstetr. & Gynecol. 178 787 Low dosages of either dl-norgestrel..or medroxyprogesterone acetate..when combined with conjugated estrogen significantly improve plasma lipoprotein lipids of postmenopausal women. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < n.1966
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