Anatomy

Fourth Ventricle

An irregularly shaped cavity in the RHOMBENCEPHALON, located between the MEDULLA OBLONGATA; the PONS; and the isthmus in front, and the CEREBELLUM behind. It is continuous with the central canal of the cord below and with the CEREBRAL AQUEDUCT above, and through its lateral and median apertures it communicates with the SUBARACHNOID SPACE.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An irregularly shaped cavity in the RHOMBENCEPHALON, located between the MEDULLA OBLONGATA; the PONS; and the isthmus in front, and the CEREBELLUM behind. It is continuous with the central canal of the cord below and with the CEREBRAL AQUEDUCT above, and through its lateral and median apertures it communicates with the SUBARACHNOID SPACE.

MeSH Record

Classification

Broader headings

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See Also

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Synonyms

11 entry terms
  • 4th Ventricle
  • Quarto Ventricolo
  • 4th Ventricles
  • Fourth Ventricles
  • Quarto Ventricolos
  • Ventricle, 4th
  • Ventricle, Fourth
  • Ventricles, 4th
  • Ventricles, Fourth
  • Ventricolo, Quarto
  • Ventricolos, Quarto

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

2000

MeSH Record

Previous Indexing

  • Cerebral Ventricles (1965-1999)

MeSH Hierarchy

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AMA Style

References

  1. National Library of Medicine. Fourth Ventricle. Medical Subject Headings (MeSH). 2026. Unique ID D020546. http://id.nlm.nih.gov/mesh/2026/D020546
  2. Fourth Ventricle. In: Wikipedia. https://en.wikipedia.org/wiki/Fourth_ventricle
  3. Fourth Ventricle. In: Wikidata. https://www.wikidata.org/wiki/Q1069121