Erythropoiesis in a cell population from the early chick blastodisc induced by diffusible product of second cell population.
D000818:Animals; D002454:Cell Differentiation; D002469:Cell Separation; D002499:Centrifugation, Density Gradient; D002642:Chick Embryo / Q000166:cytology*; D004707:Endoderm / Q000166:cytology; D004920:Erythropoiesis; D008648:Mesoderm / Q000166:cytology