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Bogin said that this allometry of human growth allows children to have a "superficially infantile" appearance (large skull, small face, small body and sexual underdevelopment) longer than in other "mammalian species". Bogin said that this cute appearance causes a "nurturing" and "care-giving" response in "older individuals".
Some evolutionary theorists have proposed that neoteny was a key feature in human evolution. [22] J. B. S. Haldane states a "major evolutionary trend in human beings" is "greater prolongation of childhood and retardation of maturity." [5] Delbert D. Thiessen said that "neoteny becomes more apparent as early primates evolved into later forms ...
There have been odd incidences where human beings have abnormally small or large heads. The Zika virus was responsible for underdeveloped heads in the early 2000s. The face is the anterior part of the head, containing the eyes, nose, and mouth. On either side of the mouth, the cheeks provide a fleshy border to the oral cavity. The ears sit to ...
A neck mass or neck lump is an ambiguous mass found in the neck area. There are many different possible causes, [ 1 ] including head and neck cancer [ 2 ] and congenital conditions like branchial anomalies and thyroglossal duct cysts .
Madonna with the Long Neck, c. 1534–1540, by Parmigianino. As in other Mannerist works, the proportions of the body – here the neck – are exaggerated for artistic effect. Body proportions is the study of artistic anatomy , which attempts to explore the relation of the elements of the human body to each other and to the whole.
A modern human (left) and Neanderthal (right) skeleton at the American Museum of Natural History. Neanderthals were short and stocky. Average male body mass index would have been 26.9–28.2 (overweight) using a size of 164 to 168 cm (5 ft 5 in to 5 ft 6 in) and 76 kg (168 lb).
A shrunken head is a severed and specially-prepared human head – often decreased to many times smaller than typical size – that is used for trophy, ritual, trade, or other purposes. Headhunting is believed to have occurred in many regions of the world since time immemorial , but the practice of head shrinking has only been documented in the ...
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.