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Prognathism is a positional relationship of the mandible or maxilla to the skeletal base where either of the jaws protrudes beyond a predetermined imaginary line in the coronal plane of the skull.
A cleft chin is an inherited trait in humans and can be influenced by many factors. The cleft chin is also a classic example of variable penetrance [20] with environmental factors or a modifier gene possibly affecting the phenotypical expression of the actual genotype. Cleft chins can be presented in a child when neither parent presents a cleft ...
Amarna art is characterized by a sense of movement and activity in images, with figures having raised heads, many figures overlapping and many scenes busy and crowded. The human body is portrayed differently; figures, always shown in profile on reliefs, are slender, swaying, with exaggerated extremities. In particular, depictions of Akhenaten ...
The Neanderthal chin and forehead sloped backwards and the nose region protruded forward more than in modern humans. The common shapes of the nose are not known but it was more protrusive and large than modern humans especially in the passageways, so Neanderthals could use energy much more efficiently than modern humans. [9]
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.
Changes to the dental morphology and jaw are major elements of hominid evolution. These changes were driven by the types and processing of food eaten. The evolution of the jaw is thought to have facilitated encephalization, speech, and the formation of the uniquely human chin.
Features distinguishing Weaver syndrome from Sotos syndrome include broad forehead and face, ocular hypertelorism, prominent wide philtrum, micrognathia, deep-set nails, retrognathia with a prominent chin crease, increased prenatal growth, and a carpal bone age that is greatly advanced compared to metacarpal and phalangeal bone age. [12]
Fenton's pictures during the Crimean War were one of the first cases of war photography, with Valley of the Shadow of Death considered "the most eloquent metaphor of warfare" by The Oxford Companion to the Photograph. [13] [14] [s 3] Sergeant Dawson and his Daughter: 1855 Unknown; attributed to John Jabez Edwin Mayall [15] Unknown [e] [s 1] The ...