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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.
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.
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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.
Gestaltungsanalyse am Amphibienkeim mit Örtlicher Vitalfärbung