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petrous

[pe-truhs, pee-] / ˈpɛ trəs, ˈpi- /


Example Sentences

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See Examples For:

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

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.




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