Tag: "fin" at medical news
Genes Associated With Limb Development is More Primitive Than Believed
...rimitive ancestor, as these fish have an elaborate fin
skeletal pattern similar to that seen in more primitive vertebrates such as sharks and many fossil fish. The researchers studied the development of paddlefish fins to test whether the genes activated to make hands and feet in tetrapods were differe...
Regrowth of Zebrafish's Tail Fin may Offer Clues for Treating Human Injuries
...-catenin, impairs cell proliferation, and inhibits fin
regeneration. Fish that have a mutant Wnt5b protein regenerate missing tails very quickly. Too much of another related protein, Wnt8, also increases cell proliferation in the regenerating fin. “We can actually increase the rate of regeneration by t...
Species Linking Fish And Land Animals Found
... team to examine the joint surfaces on many of the fin
bones, concluding that the shoulder, elbow and wri... the scientists describe in depth how the pectoral fin
of the fish serves as the origin of the tetrapod limb. Embedded in the fin
of Tiktaalik are bones th...