Characterization of the nutritional endoderm in the direct developing frog Eleutherodactylus coqui
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Unlike Xenopus laevis, Eleutherodactylus coqui develops without a tadpole. The yolk-rich vegetal region of the embryo forms a transient nutritive tissue, the nutritional endoderm (NE). The definitive endoderm (DE) in E. coqui comes from cells closer to the ani... ...
