pollen-sac

pollen sac

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

Origin:
1870–75

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Science Dictionary
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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