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Descriptor English: Epitestosterone
Descriptor Spanish: Epitestosterona
Descriptor epitestosterona
Scope note: Isómero 17-alfa de la TESTOSTERONA, derivado de la PREGNENOLONA por la vía del delta 5-esteroide y el 5-androsteno-3-beta,17-alfa-diol. La epitestosterona actúa como un antiandrógeno en diversos tejidos. La razón testosterona-epitestosterona se usa para controlar el abuso de sustancias anabolizantes.
Descriptor Portuguese: Epitestosterona
Descriptor French: Épitestostérone
Entry term(s): 17 alpha Testosterone
17-alpha-Testosterone
Tree number(s): D04.210.500.054.079.429.824.275
D06.472.334.851.968.984.500
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D004845
Scope note: The 17-alpha isomer of TESTOSTERONE, derived from PREGNENOLONE via the delta5-steroid pathway, and via 5-androstene-3-beta,17-alpha-diol. Epitestosterone acts as an antiandrogen in various target tissues. The ratio between testosterone/epitestosterone is used to monitor anabolic drug abuse.
Allowable Qualifiers: AA analogs & derivatives
AD administration & dosage
AE adverse effects
AG agonists
AI antagonists & inhibitors
AN analysis
BI biosynthesis
BL blood
CF cerebrospinal fluid
CH chemistry
CL classification
CS chemical synthesis
DF deficiency
EC economics
GE genetics
HI history
IM immunology
IP isolation & purification
ME metabolism
PD pharmacology
PH physiology
PK pharmacokinetics
PO poisoning
RE radiation effects
SD supply & distribution
ST standards
TO toxicity
TU therapeutic use
UR urine
Registry Number: 481-30-1
CAS Type 1 Name: Androst-4-en-3-one, 17-hydroxy-, (17alpha)-
Previous Indexing: Testosterone (1969-1974)
Public MeSH Note: 91; was see under TESTOSTERONE 1975-90
History Note: 91(75); was see under TESTOSTERONE 1975-90
DeCS ID: 4924
Unique ID: D004845
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1991/01/01
Date of Entry: 1974/11/11
Revision Date: 2016/05/31
Epitestosterone - Preferred
Concept UI M0007602
Scope note The 17-alpha isomer of TESTOSTERONE, derived from PREGNENOLONE via the delta5-steroid pathway, and via 5-androstene-3-beta,17-alpha-diol. Epitestosterone acts as an antiandrogen in various target tissues. The ratio between testosterone/epitestosterone is used to monitor anabolic drug abuse.
Preferred term Epitestosterone
Entry term(s) 17 alpha Testosterone
17-alpha-Testosterone



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