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Updated: 3 min 2 sec ago

Scientists discover fossil tumor in 255 million-year-old mammal forerunner

Thu, 12/08/2016 - 11:44

When paleontologists cut into the fossilized jaw of an ancient creature, they got more than they bargained for: a toothy tumor.

As the scientists report in a paper published today in the Journal of the American Medical Association Oncology, they discovered evidence that the specimen harbored a benign tumor made up of miniature, tooth-like structures. This type of tumor, known as a ...

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