Some Factors of Animal Development

H. Spemann

Journal of Experimental Biology · 1925 · 18 citations · 0 references

DOIFull text

Open access

Concepts

Abstract

ABSTRACT The conception of centres of animal organisation or differentiation was formed as the result of the knowledge of certain fundamental facts discovered in the course of experimental studies on amphibian embryos in early stages of development. In the formulation of the problem the following simple considerations were taken into account.