David Tennant opens up about having polydactyly – but what is it?
Actor David Tennant has confirmed he has a rare condition called polydactyly, meaning he has an extra toe on his right ...
Actor David Tennant has an extra toe. Two anatomists explain what’s so fascinating about polydactyly
A common anatomical variation is being born with more than ten fingers or more than ten toes. Former Doctor Who actor David ...