Medical Definition of Norgestrienone
1.
17-hydroxy-19-nor-17 alpha-pregna-4,9,11-trien-20-yn-3-one. A synthetic steroid with progestational and contraceptive activities.
Pharmacological action: contraceptives, oral, synthetic, progestational hormones, synthetic.
Chemical name: 19-Norpregna-4,9,11-trien-20-yn-3-one, 17-hydroxy-, (17alpha)-
(12 Dec 1998)
Lexicographical Neighbors of Norgestrienone
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