Developing Frog Egg is a photograph by Dr Keith Wheeler/science Photo Library which was uploaded on November 3rd, 2019.
Developing Frog Egg
Developing frog egg. Light micrograph of a vertical section through a developing egg laid by a common frog (Rana temporaria temporaria). The egg has... more
Title
Developing Frog Egg
Artist
Dr Keith Wheeler/science Photo Library
Medium
Photograph
Description
Developing frog egg. Light micrograph of a vertical section through a developing egg laid by a common frog (Rana temporaria temporaria). The egg has reached the yolk plug, gastrula stage. The outer cells have flowed into an invagination (centre right) to form the yolk plug. The outer cells have also formed three layers: an outer ectoderm, a middle mesoderm and a yolky inner layer the endoderm, enclosing the blastocoele (central cavity). Magnification: x100 when printed at 10 centimetres high.
Uploaded
November 3rd, 2019
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