Chemicals and Drugs

Norpregnanes

Pregnanes which have undergone ring contractions or are lacking carbon-18 or carbon-19. Unsaturation in the steroid ring system is not included.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Pregnanes which have undergone ring contractions or are lacking carbon-18 or carbon-19. Unsaturation in the steroid ring system is not included.

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

MeSH Record

Aspects Covered

24 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analysis, antagonists & inhibitors, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, economics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

Indexing Annotation

do not confuse with NORPREGNENES

MeSH Record

History Note

74

MeSH Hierarchy

Tree Number

  1. D04w.210.500w.668w.651

AMA Style

References

  1. National Library of Medicine. Norpregnanes. Medical Subject Headings (MeSH). 2026. Unique ID D009650. http://id.nlm.nih.gov/mesh/2026/D009650
  2. Norpregnanes. In: Wikidata. https://www.wikidata.org/wiki/Q76619560