15 天on MSN
A common anatomical variation is being born with more than ten fingers or more than ten toes. Former Doctor Who actor David ...
来自MSN15 天
Actor David Tennant has an extra toe. Two anatomists explain what's so fascinating about ...Developing hands and feet start as limb buds ... is when people have fused or "webbed" fingers or toes, known as syndactyly. This term comes from syn (meaning together with) and dactyly (referring ...
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