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

Some laboratories have used microCT scanning, both to preserve data from petrous bone, and to guide their drilling to minimize destruction of the specimen11.

From Nature • Aug. 27, 2019

With bone forceps or a fine saw, split open the petrous portion of the temporal bone and observe the cochlea and the semicircular canals.

From Physiology and Hygiene for Secondary Schools by Walters, Francis M.