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Descriptor in English: Cotyledon
Descriptor in Spanish: Cotiledón
Descriptor in Portuguese: Cotilédone
Descriptor in French: Cotylédon
Entry term(s): Coleoptile
Coleoptiles
Cotyledons
Leaf, Seed
Leave, Seed
Leaves, Seed
Seed Leaf
Seed Leave
Seed Leaves
Tree number(s): A18.024.500.750.333
A18.024.875.500
Scope note: 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)
Annotation: coordinate with specific plant
Allowable Qualifiers: AE adverse effects
AH anatomy & histology
CH chemistry
CL classification
CY cytology
DE drug effects
EM embryology
EN enzymology
GD growth & development
GE genetics
IM immunology
ME metabolism
MI microbiology
PH physiology
PO poisoning
PS parasitology
RE radiation effects
TO toxicity
UL ultrastructure
VI virology
History Note: 95
DeCS UI: 32297
Descriptor UI: D018548
Date Established: 1995/01/01
Date of Entry: 1994/06/07
Revision Date: 2010/06/25
Cotyledon - Preferred
Concept UI M0027811
Scope note 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)
Preferred term Cotyledon
Entry term(s) Cotyledons
Leaf, Seed
Leave, Seed
Leaves, Seed
Seed Leaf
Seed Leave
Seed Leaves
Coleoptile - Narrower
Concept UI M0027810
Preferred term Coleoptile
Entry term(s) Coleoptiles



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