Sentences with phrase «of amphibian limbs»

Today is the 70th birthday of Elizabeth Hay, an embryologist at Harvard Medical School who, through pioneering studies on regeneration of amphibian limbs, has shed light on the cellular mechanisms that transform normal cells into tumors.

Not exact matches

There is only one group of vertebrate that has the capacity to regenerate highly complex structures such as limbs, jaws, tail, spinal cord, or eyes throughout their lives: the urodele amphibians.

Once ashore, these four - limbed vertebrates, called tetrapods, branched into an impressive range of animals: amphibians, reptiles, dinosaurs, birds and mammals.

Unique proteins in these amphibians cast doubt on the existence of any latent potential for limb regeneration

Daley notes that when amphibians regenerate their limbs, they form a cluster of primitive undifferentiated cells called a blastema.

Harrison's results demonstrated that the developing amphibian nervous system is remarkably flexible in adapting to such novel situations, even to the point of accelerating the growth of nerve fibers in a host species to keep pace with the faster - growing limb of a smaller donor species.

In basic research, you can find tapeworms who thrive in the intestine of their animal hosts — or the limb - generating axolotl, a water amphibian whose very name means «water monster.»

For many centuries, inquiring minds have puzzled over the capabilities of certain worms, amphibians, fish and other animals to regrow limbs and other body parts.

In 2009, Ballengée and SK Sessions published «Explanation for Missing Limbs in Deformed Amphibians» in the Journal of Experimental Zoology and received international media attention from the BBC and others.