petrous

Example Sentences

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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

As an example, many researchers focus their sampling effort on the petrous bone, the hard portion of the temporal bone at the base of the skull, which houses the intricate structures of the inner ear.

From Nature • Aug. 27, 2019

The useless relic of it passes through the wall of the petrous bone in the shape of a narrow canal, and is called the vestibular aqueduct.

From The Evolution of Man — Volume 2 by Haeckel, Ernst Heinrich Philipp August