Anatomy

Cotyledon

A part of the embryo in a seed plant. The number of cotyledons is an important feature in classifying plants. In seeds without an endosperm, they store food which is used in germination. In some plants, they emerge above the soil surface and become the first photosynthetic leaves. (From Concise Dictionary of Biology, 1990)

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A part of the embryo in a seed plant. The number of cotyledons is an important feature in classifying plants. In seeds without an endosperm, they store food which is used in germination. In some plants, they emerge above the soil surface and become the first photosynthetic leaves. (From Concise Dictionary of Biology, 1990)

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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MeSH Record

Synonyms

9 entry terms
  • Cotyledons
  • Seed Leaf
  • Seed Leaves
  • Leaf, Seed
  • Leave, Seed
  • Leaves, Seed
  • Seed Leave
  • Coleoptile
  • Coleoptiles

MeSH Record

Aspects Covered

20 allowable subheadings

Indexed with the subheadings adverse effects, anatomy & histology, chemistry, classification, cytology, drug effects, embryology, enzymology, genetics, growth & development, immunology, metabolism, microbiology, parasitology, physiology, poisoning, radiation effects, toxicity, ultrastructure, virology.

MeSH Record

Indexing Annotation

coordinate with specific plant

MeSH Record

History Note

95

MeSH Record

Previous Indexing

  • Plants (1966-1994)

MeSH Hierarchy

Tree Numbers

  1. A18.024.500w.750.333w
  2. A18.024.875w.500w

AMA Style

References

  1. National Library of Medicine. Cotyledon. Medical Subject Headings (MeSH). 2026. Unique ID D018548. http://id.nlm.nih.gov/mesh/2026/D018548
  2. Cotyledon. In: Wikipedia. https://en.wikipedia.org/wiki/Cotyledon
  3. Cotyledon. In: Wikidata. https://www.wikidata.org/wiki/Q193026