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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 is the development of an unusually pronounced forehead which may also be associated with a heavier than normal brow ridge. It is caused by enlargement of the frontal bone , often in conjunction with abnormal enlargement of other facial bones , skull , mandible , and bones of the hands and feet.
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.
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Pronounced brow protrusion, often with ocular distension (frontal bossing) Pronounced lower jaw protrusion ( prognathism ) with attendant macroglossia (enlargement of the tongue) and teeth spacing Hypertrichosis , hyperpigmentation and hyperhidrosis may occur in these people.
SK 847 has a relatively short and narrow face, pronounced brow ridge, thick supraorbital torus, a sharp sloping frontal bone, delicate curved cheekbones, a rounded forward projecting nasal bones, an obvious supratoral sulcus, and a moderate constriction of the cranium behind the eye socket.
Frontal sinus. Each frontal sinus is situated between the external and internal plates of the frontal bone. [1] [2] Their average measurements are as follows: height 28 mm, breadth 24 mm, depth 20 mm, creating a space of 6-7 ml. [3]
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 ...