You are not currently logged in.
Access JSTOR through your library or other institution:
Problems of Gastrulation: Real and Verbal
William W. Ballard
Vol. 26, No. 1 (Jan., 1976), pp. 36-39
Stable URL: http://www.jstor.org/stable/1297297
Page Count: 4
Preview not available
Conclusions about the fate maps and morphogenetic movements of vertebrate embryos seem to be unduly influenced by antique homologic theory. Diversities within the phylum, greater than usually admitted, could extend to the behavior of individual moving cells and the factors generating and controlling that movement.
BioScience © 1976 American Institute of Biological Sciences