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Microcephaly (from Neo-Latin microcephalia, from Ancient Greek μικρός mikrós "small" and κεφαλή kephalé "head" [2]) is a medical condition involving a smaller-than-normal head. [3] Microcephaly may be present at birth or it may develop in the first few years of life. [3]
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 headshrinking has only been documented in the ...
The human head consists of a fleshy outer portion, which surrounds the bony skull. The brain is enclosed within the skull. There are 22 bones in the human head. The head rests on the neck, and the seven cervical vertebrae support it. The human head typically weighs between 2.3 and 5 kilograms (5.1 and 11.0 lb) Over 98% of humans fit into this ...
The general trend of jaw and oral cavity shrinkage, as well as dental malocclusion presence, has been observed in burial remains across Eurasia.Analyses of remains from areas thought to be in situ (origin) to agriculture, such as those in the Levant region dated to approximately 12,000 years ago, are thought to be where humans first changed from hunting and gathering to a more agricultural ...
Micropsia is a condition affecting human visual perception in which objects are perceived to be smaller than they actually are. Micropsia can be caused by optical factors (such as wearing glasses), by distortion of images in the eye (such as optically, via swelling of the cornea or from changes in the shape of the retina such as from retinal edema, macular degeneration, or central serous ...
A smaller temporalis muscle can actually indicate sarcopenia, which is the age-related loss of muscle mass and strength. “Systemic sarcopenia “is often linked to frailty, reduced mobility, and ...
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It is characterized by intrauterine growth restriction and postnatal dwarfism with a small head, narrow bird-like face with a beak-like nose, large eyes with down-slanting palpebral fissures, [3] receding mandible and intellectual disability. A mouse model has been developed. [4] This mouse model is characterized by a severe deficiency of ATR ...