Primordial Germ Cells in Blood Smears from Chick Embryos

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Science  16 Jun 1967:
Vol. 156, Issue 3781, pp. 1503-1504
DOI: 10.1126/science.156.3781.1503


The feasibility of studying avian primordial germ cells in blood smears has been demonstrated. Blood smears prepared from chick embryos of stages 13 to 15 (48 to 55 hours) contained primordial germ cells, which were revealed by the periodic acidSchiff reaction. The presence of glycogen in the cytoplasm of the primordial germ cells facilitated their selective identification.