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单词 microsporogenesis
释义

microsporogenesis

[ mī′krə-spôr′ə-jĕnĭ-sĭs ]

The formation of microspores inside the microsporangia (or pollen sacs) of seed plants. A diploid cell in the microsporangium, called a microsporocyte or a pollen mother cell, undergoes meiosis and gives rise to four haploid microspores. Each microspore then develops into a pollen grain (the microgametophyte).

Words nearby microsporogenesis

microsphygmy, microsplenia, microsporangium, microspore, microsporocyte, microsporogenesis, microsporophyll, Microsporum, microstat, microstate, microstethoscope
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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更新时间:2024/9/21 22:01:52