Sentence Examples

  • This new unity firmly established the "narcoleptic tetrad" as the definitive diagnostic criteria for narcolepsy.
  • During the tetrad division in the basidium nuclear reduction occurs.
  • 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.
  • Moreover, to the tetrad of simple elements - viz.