英语词汇“pollen sac”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pollen sac
释义	pollen sac noun Botany. one of the cavities in an anther in which pollen is produced. Origin of pollen sac First recorded in 1870–75 Words nearby pollen sac pollen count, poll end, pollen grain, pollen mother cell, pollenosis, pollen sac, pollen tube, pollera, pollero, poll evil, pollex Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for pollen sac Germination of the microspore begins before it leaves the pollen-sac. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1\|Various Scientific definitions for pollen sac 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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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pollen sac