MeSH Browser

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
Registry Number: 73R90F7MQ8
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)

Pregnenolone MeSH Descriptor Data 2023