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Pregnenolone
MeSH Descriptor Data 2025
Details
Qualifiers
MeSH Tree Structures
Concepts
MeSH Heading
Pregnenolone
Tree Number(s)
D04.210.500.745.745.725
D06.472.040.585.745
D06.472.334.851.687.500
Unique ID
D011284
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D011284
Annotation
do not confuse with
PREGNANOLONE
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
.
Entry Term(s)
5-Pregnen-3-beta-ol-20-one
Related Numbers
145-13-1
CAS Type 1 Name
Pregn-5-en-20-one, 3-hydroxy-, (3beta)-
Date Established
1966/01/01
Date of Entry
1999/01/01
Revision Date
2016/05/31
Allowable Qualifiers
administration & dosage (AD)
adverse effects (AE)
agonists (AG)
analogs & derivatives (AA)
analysis (AN)
antagonists & inhibitors (AI)
biosynthesis (BI)
blood (BL)
cerebrospinal fluid (CF)
chemical synthesis (CS)
chemistry (CH)
classification (CL)
deficiency (DF)
economics (EC)
genetics (GE)
history (HI)
immunology (IM)
isolation & purification (IP)
metabolism (ME)
pharmacokinetics (PK)
pharmacology (PD)
physiology (PH)
poisoning (PO)
radiation effects (RE)
standards (ST)
supply & distribution (SD)
therapeutic use (TU)
toxicity (TO)
urine (UR)
Polycyclic Compounds [D04]
Fused-Ring Compounds [D04.210]
Steroids [D04.210.500]
Pregnanes [D04.210.500.745]
Pregnenes [D04.210.500.745.745]
Cortisone [D04.210.500.745.745.183]
Dimethisterone [D04.210.500.745.745.279]
Eplerenone [D04.210.500.745.745.329]
Ethisterone [D04.210.500.745.745.379]
Pregnenediones [D04.210.500.745.745.654]
Pregnenolone [D04.210.500.745.745.725]
17-alpha-Hydroxypregnenolone [D04.210.500.745.745.725.395]
Pregnenolone Carbonitrile [D04.210.500.745.745.725.703]
Spironolactone [D04.210.500.745.745.855]
Hormones, Hormone Substitutes, and Hormone Antagonists [D06]
Hormones [D06.472]
Adrenal Cortex Hormones [D06.472.040]
Hydroxycorticosteroids [D06.472.040.585]
11-Hydroxycorticosteroids [D06.472.040.585.353]
17-Hydroxycorticosteroids [D06.472.040.585.478]
Desoxycorticosterone [D06.472.040.585.611]
Pregnenolone [D06.472.040.585.745]
17-alpha-Hydroxypregnenolone [D06.472.040.585.745.500]
Hormones, Hormone Substitutes, and Hormone Antagonists [D06]
Hormones [D06.472]
Gonadal Hormones [D06.472.334]
Gonadal Steroid Hormones [D06.472.334.851]
Progesterone Congeners [D06.472.334.851.687]
Pregnenolone [D06.472.334.851.687.500]
17-alpha-Hydroxypregnenolone [D06.472.334.851.687.500.500]
Progesterone [D06.472.334.851.687.750]
Expand All
Collapse All
Pregnenolone
Preferred
Concept UI
M0017516
Related Numbers
145-13-1
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
.
Terms
Pregnenolone
Preferred Term
Term UI
T033258
Date
01/01/1999
LexicalTag
NON
ThesaurusID
5-Pregnen-3-beta-ol-20-one
Term UI
T527741
Date
12/06/2002
LexicalTag
NON
ThesaurusID
NLM (2004)
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