The gradual establishment of cell commitments during the early stages of chick development.


The early development of the chick (Stages I-XIII E.G&K) can be regarded as an ideal model for epigenetic development and for the study of the forces and factors involved in the establishment of cellular heterogeneity and the imprinting of polarity. It seems that a physical vectorial force is utilized to imprint upon the cleaving radial-symmetric… (More)


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