Gestation of Ovum (1924), pt 1 of 2

Part 1 of 2. A time lapse study showing the relative sliding movements of the cells during early stages of embryonic development, and the development and fusion of the medullary plates. Time lapse studies of axolotl ovum and the rotation of the embryo during later stages of development are shown. Find out more: http://catalogue.wellcomelibrary.org/record=b1664109~S3