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Ecdysteroid titres during ovarian and embryonic development inBlaberus craniifer
SummaryInBlaberus craniifer, the maturation of the oocytes is accompanied by morphological modifications of the surrounding follicular cells and by variations in the ecdysteroid titre.Before theExpand
DNA synthesis and epidermal differentiation in the cockroach embryo and pharate first instar larva: Moulting hormone and mitomycin
Abstract The second period of the life occurring in ovo , which corresponds to the end of the embryonic development and to the pharate first instar larva stage, may be divided into 4 phases withExpand
Effects of moulting hormone on RNA and cuticle synthesis in the epidermis of cockroach embryos cultured in vitro
Abstract In epidermal cells of embryos of Blabera cultured in a medium without exogenous moulting hormone, 2 peaks in RNA synthesis occur respectively on days 7 and 11, followed by two peaks inExpand
Positional cell surface antigens in an insect appendage
SummaryMice were immunized with membrane preparations of epidermal cells taken from different parts (internal and external face of femur and apex and base of tibia) of the metathoracic legs ofExpand
[Regeneration and endocrine factors in insects].
[Development of pleuropoda during the embryonic development of Blabera craniifer (insect, Dictyoptera)].
  • F. Bullière
  • Biology, Medicine
  • Archives d'anatomie microscopique et de…
  • 1 July 1970
[Regeneration, differentiation and moulting hormones in the cockroach embryo cultured in vitro].
1. The second moulting cycle of the cockroach embryo may be divided into 2 parts: during the first one, regeneration of appendages is possible in embryos cultured in vitro; it is not possible duringExpand
[Search for the sites of synthesis of malt hormone in Blabera craniifer Burm. embryos (Insect, Dictyoptera)].
[Variations in the level of molting hormone during the second cycle of embryonic life in cockroaches].
It was shown by gas chromatography/mass fragmentography and radio-immunology that moulting hormone is present in great quantity during the second cycle of the embryonic life of Blabera and that theExpand
[Moulting hormone and DNA synthesis in cockroach embryo epidermal in vitro cultured cells].