Anatomy

Thylakoids

Membranous cisternae of the CHLOROPLAST containing photosynthetic pigments, reaction centers, and the electron-transport chain. Each thylakoid consists of a flattened sac of membrane enclosing a narrow intra-thylakoid space (Lackie and Dow, Dictionary of Cell Biology, 2nd ed). Individual thylakoids are interconnected and tend to stack to form aggregates called grana. They are found in cyanobacteria and all plants.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Membranous cisternae of the CHLOROPLAST containing photosynthetic pigments, reaction centers, and the electron-transport chain. Each thylakoid consists of a flattened sac of membrane enclosing a narrow intra-thylakoid space (Lackie and Dow, Dictionary of Cell Biology, 2nd ed). Individual thylakoids are interconnected and tend to stack to form aggregates called grana. They are found in cyanobacteria and all plants.

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Synonyms

6 entry terms
  • Thylakoid
  • Grana
  • Thylakoid Membrane
  • Membrane, Thylakoid
  • Membranes, Thylakoid
  • Thylakoid Membranes

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Aspects Covered

15 allowable subheadings

Indexed with the subheadings chemistry, classification, drug effects, enzymology, genetics, immunology, metabolism, microbiology, parasitology, pathology, physiology, radiation effects, transplantation, ultrastructure, virology.

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History Note

2000; for GRANA use CHLOROPLASTS 1979-1999

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Previous Indexing

  • Chloroplasts (1969-1999)

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References

  1. National Library of Medicine. Thylakoids. Medical Subject Headings (MeSH). 2026. Unique ID D020524. http://id.nlm.nih.gov/mesh/2026/D020524
  2. Thylakoids. In: Wikipedia. https://en.wikipedia.org/wiki/Thylakoid
  3. Thylakoids. In: Wikidata. https://www.wikidata.org/wiki/Q337889