Scientists have discovered that both bony and cartilaginous fish develop their appendages via a shared mechanism -- the mechanism is also observed in land-dwelling vertebrates such as mice. They found ...

A new study gives insight into how limb development evolved in vertebrates. The findings identify a gene that plays a central role in the evolution of limb development in vertebrates. By manipulating ...

University of Kentucky College of Medicine researchers were part of a new study that gives insight into how limb development evolved in vertebrates. The findings, published in Current Biology Oct. 4, ...

Human fingers and toes do not grow outward; instead, they form from within a larger foundational bud, as intervening cells recede to reveal the digits beneath. This is among many processes captured ...