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The mitotic crisis in the proventriculus of the 1st and 2nd zoea of pisidia longicornis its position in relation to the inter molt stages


, : The mitotic crisis in the proventriculus of the 1st and 2nd zoea of pisidia longicornis its position in relation to the inter molt stages. Archives de Zoologie Experimentale et Generale 119(2): 353-364

The mitotic crisis in the proventriculus of the 1st and 2nd zoea of P. longicornis and its position in relation to the intermolt stages was studied. The mitotic crisis starts in the 1st zoea instar, about 10 h before the D0 stage and lasts until D1", and in the 2nd zoea instar, as early as the 1st day after molting, 72 h or so before D0 and stops between D1' and D1". The number of cell divisions during the 2nd instar is assessed to be 5 times that of the 1st instar.

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