MeSH Browser

MeSH Heading: 20-alpha-Dihydroprogesterone
Tree Number(s): D04.210.500.745.745.654.829.100; D06.472.334.851.687.750.074
Unique ID: D004092
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D004092
Scope Note: A biologically active 20-alpha-reduced metabolite of PROGESTERONE. It is converted from progesterone to 20-alpha-hydroxypregn-4-en-3-one by the 20-ALPHA-HYDROXYSTEROID DEHYDROGENASE in the CORPUS LUTEUM and the PLACENTA.
Entry Term(s): 20 alpha-Dihydroprogesterone; 20 alpha-Hydroxy-4-Pregnen-3-One; 20 alpha-Hydroxyprogesterone; 20-alpha-Hydroxyprogesterone; 20alpha-Hydroxypregn-4-Ene-3-One; Dihydroprogesterone; Pregn-4-en-3-one, 20-alpha-hydroxy-
Pharm Action: Progestins
CAS Type 1 Name: Pregn-4-en-3-one, 20-hydroxy-, (20S)-
Previous Indexing: Progesterone (1974)
Public MeSH Note: 2004; see DIHYDROPROGESTERONE 1991-2003, see PROGESTERONE 1975-1990
History Note: 2004 (1975)
Date Established: 1991/01/01
Date of Entry: 1974/11/11
Revision Date: 2016/05/27

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)

20-alpha-Dihydroprogesterone MeSH Descriptor Data 2025