. The elements of experimental embryology. Embryology, Experimental; Embryology. iirS'' te -02? X' /^l ^ Fig. 27 Differentiation after dissociation in the hydroid Pennaria. The dissociated cells united to form rounded reconstitution-masses which surround themselves with perisarcs {op) and later form outgrowths which give rise to stolon-like structures {x) and normal hydranths. (After H. V. Wilson, from Gray, Expermiejital Cytology, Cambridge, 1931.) A completely new restratification can be induced in any direction by means of the centrifuge, but development continues to be governed by the orig
. The elements of experimental embryology. Embryology, Experimental; Embryology. iirS'' te -02? X' /^l ^ Fig. 27 Differentiation after dissociation in the hydroid Pennaria. The dissociated cells united to form rounded reconstitution-masses which surround themselves with perisarcs {op) and later form outgrowths which give rise to stolon-like structures {x) and normal hydranths. (After H. V. Wilson, from Gray, Expermiejital Cytology, Cambridge, 1931.) A completely new restratification can be induced in any direction by means of the centrifuge, but development continues to be governed by the original axis of polarity.^ It is probable in these cases (Arbacia) that the polar organisation of the egg, once it is determined, resides in the cortex and an invisible internal frame- work of more viscous cytoplasm which resists the displacing action ^ Morgan and Spooner, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Huxley, Julian, 1887-1975; De Beer, Gavin, Sir, 1899-1972. New York [Hafner Pub. Co. ]
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Keywords: ., bookcentury1900, bookcollectionbiodiversi, booksubjectembryology
