Anatomy

Periaqueductal Gray

Central gray matter surrounding the CEREBRAL AQUEDUCT in the MESENCEPHALON. Physiologically it is probably involved in RAGE reactions, the LORDOSIS REFLEX; FEEDING responses, bladder tonus, and pain.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Central gray matter surrounding the CEREBRAL AQUEDUCT in the MESENCEPHALON. Physiologically it is probably involved in RAGE reactions, the LORDOSIS REFLEX; FEEDING responses, bladder tonus, and pain.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

15 entry terms
  • Central Gray Substance of Midbrain
  • Central Periaqueductal Gray
  • Griseum Centrale
  • Griseum Centrale Mesencephali
  • Mesencephalic Central Gray
  • Midbrain Central Gray
  • Periaqueductal Gray Matter
  • Substantia Grisea Centralis
  • Substantia Grisea Centralis Mesencephali
  • Central Gray, Mesencephalic
  • Central Gray, Midbrain
  • Gray Matter, Periaqueductal
  • Gray, Central Periaqueductal
  • Griseum Centrale Mesencephalus
  • Periaqueductal Grays, Central

MeSH Record

Aspects Covered

23 allowable subheadings

Indexed with the subheadings abnormalities, anatomy & histology, blood supply, chemistry, cytology, diagnostic imaging, drug effects, embryology, enzymology, growth & development, immunology, injuries, metabolism, microbiology, parasitology, pathology, physiology, physiopathology, radiation effects, surgery, transplantation, ultrastructure, virology.

MeSH Record

History Note

83

MeSH Record

Previous Indexing

  • Brain (1966-1982)
  • Cerebral Aqueduct (1971-1982)
  • Mesencephalon (1966-1982)

MeSH Hierarchy

Tree Number

MeSH Record

NLM Classification

WL 310

AMA Style

References

  1. National Library of Medicine. Periaqueductal Gray. Medical Subject Headings (MeSH). 2026. Unique ID D010487. http://id.nlm.nih.gov/mesh/2026/D010487
  2. Periaqueductal Gray. In: Wikipedia. https://en.wikipedia.org/wiki/Periaqueductal_gray
  3. Periaqueductal Gray. In: Wikidata. https://www.wikidata.org/wiki/Q1243765