Digestive Tracts of Chick, Quail, Zebra Finch and Mouse Embryos (IMAGE)
Caption
From left to right, the digestive tracts of chick, quail, zebra finch and mouse embryos are shown with the mesenteric tissue still attached. The top row shows the relative size of the eggs (or embryo, in the case of the mammal).
Credit
Composite photo courtesy of N. Kurpios, Harvard University.
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