尾柱虫(Urostyla cristata) 的形态发生研究
A study on morphogenesis of Urostyla cristata
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摘要: U.cristata 的表膜“纤毛图式”的构成多而复杂,棘毛大小、基部形状都不相同。在分裂时期产生四个新原基(primordium)区域;(1)口原基(AZM和PM),(2)额部、腹部和臀部棘毛原基(FVT),(3)缘棘毛原基和(4)背触毛原基。Abstract: The cortical structures of U.cristata are numerous and complex, not only its are large in number and different in size,but also their basses are diffenent.