Echinoderm embryos, cultivated in dl-glyceraldehyde and iodoacetate, at concentrations within the range of maximal inhibition of carbohydrate breakdown as established on other systems, show no sign of exo-gastrulation or marked vegetalization. How far this affects the hypothesis of the Scandinavian school that the animal pole region in the echinoderm embryo is a centre of carbohydrate breakdown, is discussed in the text.
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Copyright © 1940 The Company of Biologists Ltd.
1940