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n. - Larger of the two types of a minute unicellular reproductive or resistant resting body produced in certain plants.

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Usage examples (10)
  • The macrospore divides into two cells, a large lower one, and a smaller upper one.
  • The nucellus is a cellular tissue enveloping one large cell, the embryo-sac or macrospore.
  • But the formation of the macrospore or embryo-sac is simpler than the corresponding process in cryptogams.
  • It arises by a simple enlargement of one cell of the nucleus instead of by the division of one cell into four, each thus becoming a macrospore.
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