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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.
Near the middle of the squamous part of occipital bone is the external occipital protuberance, the highest point of which is referred to as the inion.The inion is the most prominent projection of the protuberance which is located at the posterioinferior (rear lower) part of the human skull.
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. [10]: 499 Skin tags; Carpal tunnel syndrome
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.
[2] [4] They begin to appear during the second year of life as excavations in the diploë. [2] The development of these sinuses accounts for the suddenly increased mucus production at this age. [ citation needed ] They are generally well developed, and functional between the sixth and eighth years, though they continue to grow slower until ...
An occipital bun, also called an occipital spur, occipital knob, chignon hook or inion hook, is a prominent bulge or projection of the occipital bone at the back of the skull.
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.