Definition of «petrous»

Petrous refers to something related to or situated in the petrous part of the body. The petrous part is a small, pyramid-shaped bone at the base of the skull that forms part of the temporal bone and contains the inner ear (the vestibule). In medical terms, "petrous" can be used to describe anatomical structures or conditions related to this specific area.

Phrases with «petrous»

Sentences with «petrous»

The new samples include, to our knowledge, the first genome - wide ancient DNA from Anatolian Neolithic farmers, whose genetic material we obtained by extracting from petrous bones, and who we show were members of the population that was the source of Europe's first farmers. (nature.com)
Optimal ancient DNA yields from the inner ear part of the human petrous bone. (nature.com)
The authors specifically asked their colleagues to make available the inner ear petrous bones because they're especially rich in prehistoric genetic material. (science.howstuffworks.com)
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