petrous

To investigate further, scientists extracted ancient DNA from the petrous portion of the temporal bone in both skeletons, an area known for preserving genetic material.

From Science Daily ● Feb. 17, 2026

Researchers targeted DNA stored in the petrous, a very dense bone that envelopes the inner ear.

From New York Times ● May 26, 2022

The researchers located ancient DNA in their petrous bones—dense inner ear bones that preserve genetic material particularly well—but only managed to successfully retrieve a complete genome from the man.

From Science Magazine ● May 26, 2022

Then, sifting through several large pieces of skull, he finds both petrous bones — dense nuggets behind the ear that preserve DNA better than other parts of the skeleton or the teeth.

From Nature ● Sep. 18, 2016

But then the next moment she was a petrous rural landscape shaking from a tremor and then there was this inexplicable tsunami of tears slapping against the rubble of her cheeks.

From Tokyo to Tijuana: Gabriele Departing America by Steven (Steven David Justin) Sills