Canadian Medical Guide > Organisms > Plants > Plant Components > Plant Components, Aerial > Plant Shoots > Cotyledon Terms and Definitions

Cotyledon

Medical Definition:	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)
Guide Notes:	IM GEN or unspecified; coord probably IM in genetics & space physiol, NIM in pharmacognosy, with specific plant (IM or NIM)
Also Called:	Coleoptile
Previously Indexed:	Plants (1966-1994)

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