GASTRULATION CHEZ LES AMPHIBIENS PDF

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The Cellular Basis of Morphogenesis pp Cite as. It does not appear at all as if cells were walking in the sense, that single part movements were combining to form the movements of the masses; for even the most natural and plausible explanation by means of amoeboid moving of single cells fails utterly. We evidently have not the wandering of cells before us, but rather a passive obedience to a superior force.

Unable to display preview. Download preview PDF. Skip to main content. This service is more advanced with JavaScript available. Advertisement Hide. The Cellular Basis of Amphibian Gastrulation. Amphibian gastrulation is a complex integration of local cellular behavior to produce a supracellular system that, in turn, constrains and organizes the behavior of individual cells. Such behavior has fascinated and challenged embryologists for over a hundred years and has also perplexed some of them to the point of thinking it not reducible to part-processes.

These thoughts were expressed by Walter Vogt translated in Spemann, , who did more than anyone to characterize the early morphogenesis of amphibians: It does not appear at all as if cells were walking in the sense, that single part movements were combining to form the movements of the masses; for even the most natural and plausible explanation by means of amoeboid moving of single cells fails utterly.

This process is experimental and the keywords may be updated as the learning algorithm improves. This is a preview of subscription content, log in to check access. Baker, P. Cell Biol. PubMed Google Scholar. Balinsky, B. Baselli, Pallanza. Google Scholar. Ballard, W. Bautzmann, H. Bell, E. Cell Res. Beloussov, L. Bijtel, J. Black, S. Bluemink, J. Acta : — Electron microscopic observations.

Poste and G. Nicolson, eds. Boell, E. Willier, P. Weiss, and V. Hamburger, eds. Saunders, Philadelphia. Boucaut, J. Brachet, A.

Bragg, A. Brick, I. Briggs, R. Cell Comp. Brun, R. Buytendijk, F. Campanella, C. Chen, W. USA 77 : — Chuang, H. Clark, T. Polymerization and gelation in vitro, J. Columbo, R. Cooke, J. Autonomy of cell behavior at the site of initial organizer formation, J. Positional information for axial organization in embryos with two head organizers, J. Retention of polarity in cell groups excised from the region of the early organizer, J.

Pattern formation and regulation following early inhibition of mitosis, J. Regulation after removal of the head organizer in normal early gastrulae and in those already possessing a second implanted organizer, J. The cell cycle during new pattern formation in response to implanted organizers, J. Sequential cell recruitment and control of the cell cycle, during mesoderm formation, J. Curtis, A. B, Specificity of Embryological Interactions D. Garrod, ed.

Daniel, J. Davis, G. Decker, R. Theoretical analysis, J. Electrophysiological analysis, J. Detlaff, T. DiCaprio, R. Dictus, W. Dorfman, Ya. Communication I. Destabilization of ooplasmatic segregation and subdivision under the influence of clinostat rotation, Soviet J. Communication II.

Elementary morphogenetic processes, Soviet J. Doucet-de Bruine, M. Eakin, R. Elinson, R. Ellinson, R. Ettensohn, C. Eycleshymer, A. Ezzell, R. Fankhauser, G. Franke, W. Franz, J. USA 80 : — Fristrom, D. Evidence for cell rearrangement, Dev.

Evagination of disc fragments, Dev. King and H. Akai, eds. Fujinami, N. Cell Sci. Gadenne, M. Gall, L. Cell 47 : — Gerhart, J. Goldberger, ed.

DO AND DIE BY MANINI CHATTERJEE PDF

The Cellular Basis of Amphibian Gastrulation

Anjubault Elisabeth, Exbrayat Jean-Marie. In the viviparous Typhlonectes compressicauda, in stage 23, the endodermic primordial germ cells migrate to the future genital glands, using a single median ridge. The migration continues at stages 24 and The primordial genital glands develop between stages 26 and In stage 30, the cortex and medulla are observed in gonads. The follicular cells surround some germ cells.

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