Lizard Tails Grow Back, but They're Not the Same

It's never quite the same after that first one, is it?

Researchers have found that the regenerated tail of a lizard is dramatically different from its original equipment. Some lizards, like the green anole lizard observed in the study, can lose their tails to escape capture by a predator. The tail that grows back, however, is composed of a rod made of cartilage and long muscle fibers that stretch the length of the regrown appendage, not the original design of small bones and short muscles. The...

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From: Slate Magazine

Related topics : long tail or short tail disease