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The brow ridges are often not well expressed in human females, as pictured above in a female skull, and are most easily seen in profile. The brow ridge , or supraorbital ridge known as superciliary arch in medicine, is a bony ridge located above the eye sockets of all primates and some other animals.
Frontal bossing in a child Infant Skeleton with Frontal Bossing, A Treatise of the Diseases of Infancy and Childhood by Dr. Job Lewis Smith, 1881. Frontal bossing is the development of an unusually pronounced forehead which may also be associated with a heavier than normal brow ridge.
Montagu said that the following neotenous traits are in women when compared to men: more delicate skeleton, smoother ligament attachments, smaller mastoid processes, reduced brow ridges, more forward tilt of the head, narrower joints, less hairy, retention of fetal body hair, smaller body size, more backward tilt of pelvis, greater longevity ...
With pronounced brow ridges and no chins, the skulls of Neanderthals look different from those of our own species, Homo sapiens, said Dr. Emma Pomeroy, a paleoanthropologist and associate ...
Early modern people and some living people do however have quite pronounced brow ridges, but they differ from those of archaic forms by having both a supraorbital foramen or notch, forming a groove through the ridge above each eye. [98] This splits the ridge into a central part and two distal parts.
Archaic humans are distinguished from anatomically modern humans by having a thick skull, prominent supraorbital ridges (brow ridges) and the lack of a prominent chin. [11] [12] Anatomically modern humans appeared around 300,000 years ago in Africa, [4] [5] [6] and 70,000 years ago gradually supplanted the "archaic" human varieties.
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Homo erectus featured a flat face compared to earlier hominins; pronounced brow ridge; and a low, flat skull. [ 81 ] [ 82 ] The presence of sagittal , frontal , and coronal keels, which are small crests that run along these suture lines, has been proposed to be evidence of significant thickening of the skull, specifically the cranial vault .