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endosperm Definition

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endosperm
noun(en-do-sperm)
a nutritive tissue in seed plants formed within the embryo sac by division of the endosperm nucleus
endosperm
noun(en-do-sperm)
the triploid nucleus formed in the embryo sac of a seed plant by fusion of a sperm nucleus with two polar nuclei or with a nucleus formed by the prior fusion of the polar nuclei

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