A metamorphosed frog (stage 66, Xenopus tropicalis), highlighting the urostyle. (IMAGE)

Proceedings of the National Academy of Sciences

A metamorphosed frog (stage 66, Xenopus tropicalis), highlighting the urostyle.

Caption

A metamorphosed frog (stage 66, Xenopus tropicalis), highlighting the urostyle.

Credit

Image Courtesy of Gayani Senevirathne

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