pollen sac

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noun Botany.

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

Origin of pollen sac

First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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pollen sac in Science

pollen sac

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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