[mahy-kruh-spawr-uh-sahyt, -spohr-] /ˌmaɪ krəˈspɔr əˌsaɪt, -ˈspoʊr-/
one of the mother cells that produce four by meiosis.
A diploid cell that undergoes meiosis to produce microspores as part of microsporogenesis. Also called microspore mother cell, pollen mother cell.
microsporogenesis (mī’krə-spôr’ə-jěn’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).
[mahy-kruh-spawr-uh-fil, -spohr-] /ˌmaɪ krəˈspɔr ə fɪl, -ˈspoʊr-/ noun, Botany. 1. a leaflike organ bearing microsporangia. /ˌmaɪkrəʊˈspɔːrəfɪl/ noun 1. a leaf on which the microspores are formed: corresponds to the stamen of a flowering plant Compare megasporophyll microsporophyll (mī’krə-spôr’ə-fĭl’) A leaflike structure that bears microsporangia, such as those of in the strobili of lycophytes or in […]
Microsporum Mi·cros·po·rum (mī-krŏs’pər-əm, mī’krə-spôr’əm) n. A genus of pathogenic fungi that causes dermatophytosis in animals and humans.
[mahy-kruh-stat] /ˈmaɪ krəˌstæt/ noun 1. a negative of a microphotograph made directly from a negative by a copy camera.