| 单词 | microsporogenesis |
| 释义 | microsporogenesis[ mī′krə-spôr′ə-jĕn′ĭ-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 microsporogenesismicrosphygmy, 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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