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- Sagittal_keel abstract "The Sagittal keel (torus) is a thickening of bone on part or all of the midline of the frontal bone, or parietal bones where they meet along the sagittal suture, or on both bones. Sagittal keels differ from sagittal crests, which are found in some earlier hominins (notably the genus Paranthropus) and in a range of other mammals. While a proper crests functions in anchoring the muscles of mastication to the cranium, the keel is lower and rounded in cross-section, and the jaw muscles do not attach to it.Sagittal keels occur in several early human species, most noticeably in Homo erectus and occasionally in Homo heidelbergensis. Most Homo sapiens groups have lost them, likely as part of the general trend toward thinning of the cranial bones to make room for larger brains during the Pleistocene. However there is a very small portion of modern humans who have this, but its function and etiology are unknown. Patrick Stewart of Star Trek: The Next Generation and the martial artist Shi Yan Ming present good examples of modern humans (Homo sapiens sapiens) with this feature. The keel appear to be tied to general cranial robusticity, and are more common in adult men than in women, and absent in children.".
- Sagittal_keel thumbnail Skull_pekingman.jpg?width=300.
- Sagittal_keel wikiPageID "1246012".
- Sagittal_keel wikiPageLength "1753".
- Sagittal_keel wikiPageOutDegree "18".
- Sagittal_keel wikiPageRevisionID "695597255".
- Sagittal_keel wikiPageWikiLink Anatomically_modern_human.
- Sagittal_keel wikiPageWikiLink Category:Skull.
- Sagittal_keel wikiPageWikiLink Etiology.
- Sagittal_keel wikiPageWikiLink Frontal_bone.
- Sagittal_keel wikiPageWikiLink Homo_erectus.
- Sagittal_keel wikiPageWikiLink Homo_heidelbergensis.
- Sagittal_keel wikiPageWikiLink Homo_sapiens.
- Sagittal_keel wikiPageWikiLink Muscles_of_mastication.
- Sagittal_keel wikiPageWikiLink Paranthropus.
- Sagittal_keel wikiPageWikiLink Parietal_bone.
- Sagittal_keel wikiPageWikiLink Patrick_Stewart.
- Sagittal_keel wikiPageWikiLink Pleistocene.
- Sagittal_keel wikiPageWikiLink Sagittal_crest.
- Sagittal_keel wikiPageWikiLink Sagittal_suture.
- Sagittal_keel wikiPageWikiLink Shi_Yan_Ming.
- Sagittal_keel wikiPageWikiLink Star_Trek:_The_Next_Generation.
- Sagittal_keel wikiPageWikiLink File:Skull_pekingman.jpg.
- Sagittal_keel wikiPageWikiLinkText "Sagittal keel".
- Sagittal_keel wikiPageWikiLinkText "sagittal keel".
- Sagittal_keel wikiPageUsesTemplate Template:Reflist.
- Sagittal_keel subject Category:Skull.
- Sagittal_keel type Redirect.
- Sagittal_keel comment "The Sagittal keel (torus) is a thickening of bone on part or all of the midline of the frontal bone, or parietal bones where they meet along the sagittal suture, or on both bones. Sagittal keels differ from sagittal crests, which are found in some earlier hominins (notably the genus Paranthropus) and in a range of other mammals.".
- Sagittal_keel label "Sagittal keel".
- Sagittal_keel sameAs Q2940726.
- Sagittal_keel sameAs Carène_sagittale.
- Sagittal_keel sameAs m.04lt0x.
- Sagittal_keel sameAs Q2940726.
- Sagittal_keel wasDerivedFrom Sagittal_keel?oldid=695597255.
- Sagittal_keel depiction Skull_pekingman.jpg.
- Sagittal_keel isPrimaryTopicOf Sagittal_keel.