[warsaw44]

Why would a tumor grow teeth?

[Covenantor]

Search “teratomas” for your answer.

[ETL]

Some sort of weird mutation I guess.

More on the subject here:

https://www.google.com/search?q=teeth+tumor&ie=utf-8&oe=utf-8

[ETL]

April 2017

When tumours contain hair, teeth and other body organs

One of the most baffling phenomena in medical science is what is known as ‘teratoma’ tumours – when limbs, organs, hair and teeth are found in tumours. Why does this happen?

http://www.health24.com/Medical/Cancer/Real-life-story/When-tumours-contain-hair-teeth-and-other-body-organs-20141124

[ETL]

A Tumor with Teeth Discovered in Gothic Graveyard

By Megan Gannon, Live Science Contributor
May 30, 2017

Archaeologists excavating a gothic church graveyard in Lisbon, Portugal, made a discovery for the annals of medical history: an ovarian tumor that had started forming teeth.

Today, doctors know that this type of cyst, called a teratoma, is the most common tumor that occurs in the ovaries. But scientists are just starting to learn about past teratoma cases thanks to new evidence from the archaeological record.

A teratoma, which essentially translates as “monstrous swelling” from Greek, can occur when cells that should become eggs start multiplying abnormally and form mature tissues like hair, teeth and bones. [25 Grisly Archaeological Discoveries]...”

https://www.livescience.com/59293-tumor-with-teeth-in-gothic-graveyard.html

[ETL]

The teeth and tumor thing is separate from the case of early birds having teeth. Or modern birds retaining the genes for producing teeth.