petrous

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

The petrous part of the temporal bone is used for radiocarbon dating.Credit:

From Nature • Aug. 27, 2019

In its course each lateral sinus receives two petrosal sinuses, which pass from the cavernous sinus backwards along the upper and lower borders of the petrous part of the temporal bone.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" by Various