Sentence Examples


  • The sporogenous tissue, which is referable to several archesporial cells, is surrounded by a tapetum, mostly derived from the sporogenous group. In the microsporangium all the mother-cells undergo the tetrad division, giving rise to the numerous microspores.
  • During the tetrad division in the basidium nuclear reduction occurs.
  • Moreover, to the tetrad of simple elements - viz.
 
 

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