Some Salamanders Can Regrow Lost Body Parts. Could Humans One Day Do the Same?
by Amber Dance/Knowable Magazine/Smithsonianmag.com
As amphibians go, axolotls are pretty cute. These salamanders sport a Mona Lisa half-smile and red, frilly gills that make them look dressed up for a party. You might not want them at your soiree, though: They’re also cannibals. While rare now in the wild, axolotls used to hatch en masse, and it was a salamander-eat-salamander world. In such a harsh nursery, they evolved — or maybe kept — the ability to regrow severed limbs.
And it’s not just legs: Axolotls can regenerate ovary and lung tissue, even parts of the brain and spinal cord.
The salamander’s exceptional comeback from injury has been known for more than a century, and scientists have unraveled some of its secrets. It seals the amputation site with a special type of skin called wound epithelium, then builds a bit of tissue called the blastema, from which sprouts the new body part…
Carol graduated from Riverside White Cross School of Nursing in Columbus, Ohio and received her diploma as a registered nurse. She attended Bowling Green State University where she received a Bachelor of Arts Degree in History and Literature. She attended the University of Toledo, College of Nursing, and received a Master’s of Nursing Science Degree as an Educator.
She has traveled extensively, is a photographer, and writes on medical issues. Carol has three children RJ, Katherine, and Stephen – one daughter-in-law; Katie – two granddaughters; Isabella Marianna and Zoe Olivia – and one grandson, Alexander Paul. She also shares her life with her husband Gordon Duff, many cats, and two rescues.