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pollen sac

noun

, Botany.
  1. one of the cavities in an anther in which pollen is produced.

pollen sac

  1. The microsporangium of a seed plant in which pollen is produced. The pollen sacs of angiosperms are located in the anthers, while those of conifers are located in the male cones.

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Word History and Origins

Origin of pollen sac1

First recorded in 1870–75

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Example Sentences

Germination of the microspore begins before it leaves the pollen-sac.

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pollenosispollen tube

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