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macrospore
 

Definitions from WordNet

Noun macrospore has 1 sense
  1. megaspore, macrospore - larger of the two types of spore produced in heterosporous plants; develops in ovule into a female gametophyte
    --1 is a kind of spore

Definitions from the Web

Macrospore

Definition: A large spore produced by certain plants, typically larger than the microspore and developing into the female gametophyte.

Example sentences:

  1. The macrospore is the precursor to the female reproductive structure in seed plants.
  2. While examining the plant under a microscope, I observed a macrospore that had developed into a mature female gametophyte.
  3. In some species, the macrospores are dispersed by wind or water.

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