Figure 19.2. The pole plasm of Drosophila.

Figure 19.2

The pole plasm of Drosophila. (A) Electron micrograph of polar granules from particulate fraction of Drosophila pole cells. (B) Scanning electron micrograph of a Drosophila embryo just prior to completion of cleavage. The pole cells can be seen at the right of this picture. (Photographs courtesy of A. P. Mahowald.)

From: Germ Plasm and the Determination of the Primordial Germ Cells

Cover of Developmental Biology
Developmental Biology. 6th edition.
Gilbert SF.
Sunderland (MA): Sinauer Associates; 2000.
Copyright © 2000, Sinauer Associates.

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