Anatomy

Extracellular Space

Interstitial space between cells, occupied by INTERSTITIAL FLUID as well as amorphous and fibrous substances. For organisms with a CELL WALL, the extracellular space includes everything outside of the CELL MEMBRANE including the PERIPLASM and the cell wall.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Interstitial space between cells, occupied by INTERSTITIAL FLUID as well as amorphous and fibrous substances. For organisms with a CELL WALL, the extracellular space includes everything outside of the CELL MEMBRANE including the PERIPLASM and the cell wall.

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

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MeSH Record

See Also

MeSH Record

Synonyms

7 entry terms
  • Intercellular Space
  • Extracellular Spaces
  • Intercellular Spaces
  • Space, Extracellular
  • Space, Intercellular
  • Spaces, Extracellular
  • Spaces, Intercellular

MeSH Record

Aspects Covered

12 allowable subheadings

Indexed with the subheadings chemistry, diagnostic imaging, drug effects, enzymology, genetics, immunology, metabolism, microbiology, parasitology, physiology, radiation effects, virology.

MeSH Record

History Note

1966(1964)

MeSH Hierarchy

Tree Numbers

  1. A10w.082w.500w
  2. A11w.284w.295w

MeSH Record

NLM Classification

QU 105

AMA Style

References

  1. National Library of Medicine. Extracellular Space. Medical Subject Headings (MeSH). 2026. Unique ID D005110. http://id.nlm.nih.gov/mesh/2026/D005110
  2. Extracellular Space. In: Wikipedia. https://en.wikipedia.org/wiki/Extracellular_space
  3. Extracellular Space. In: Wikidata. https://www.wikidata.org/wiki/Q14645596