Sagittal crest

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Notion

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Science and technology

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What Wikipedia says

A sagittal crest is a ridge of bone running lengthwise along the midline of the top of the skull (at the sagittal suture) of many mammalian and reptilian skulls, among others. The presence of this ridge of bone indicates that there are exceptionally strong jaw muscles.

Excerpt from the Wikipedia article “Sagittal crest”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Nrkpan, CC BY-SA 3.0, via Wikimedia Commons.