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Descriptor English: Pregnenolone
Descriptor Spanish: Pregnenolona
Descriptor pregnenolona
Scope note: Esteroide con 21 átomos de carbono que deriva del COLESTEROL y se encuentra en los tejidos que producen hormonas esteroides. La pregnenolona es el precursor de las HORMONAS ESTEROIDES GONADALES y los CORTICOESTEROIDES suprarrenales.
Descriptor Portuguese: Pregnenolona
Descriptor French: Prégnénolone
Entry term(s): 5 Pregnen 3 beta ol 20 one
5-Pregnen-3-beta-ol-20-one
Tree number(s): D04.210.500.745.745.725
D06.472.040.585.745
D06.472.334.851.687.500
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D011284
Scope note: A 21-carbon steroid, derived from CHOLESTEROL and found in steroid hormone-producing tissues. Pregnenolone is the precursor to GONADAL STEROID HORMONES and the adrenal CORTICOSTEROIDS.
Annotation: do not confuse with PREGNANOLONE
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: 73R90F7MQ8
CAS Type 1 Name: Pregn-5-en-20-one, 3-hydroxy-, (3beta)-
DeCS ID: 11720
Unique ID: D011284
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2016/05/31
Pregnenolone - Preferred
Concept UI M0017516
Scope note A 21-carbon steroid, derived from CHOLESTEROL and found in steroid hormone-producing tissues. Pregnenolone is the precursor to GONADAL STEROID HORMONES and the adrenal CORTICOSTEROIDS.
Preferred term Pregnenolone
Entry term(s) 5 Pregnen 3 beta ol 20 one
5-Pregnen-3-beta-ol-20-one



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