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An epicanthic fold or epicanthus [6] is a skin fold of the upper eyelid that covers the inner corner (medial canthus) of the eye. [3] However, variation occurs in the nature of this feature and the possession of "partial epicanthic folds" or "slight epicanthic folds" is noted in the relevant literature.
Pseudostrabismus is more likely to be observed in East Asian or Native American infants, due to the presence of epicanthic folds obscuring the medial aspect of each eye. Pseudostrabismus generally occurs in infants and toddlers, whose facial features are not fully developed.
Epicanthic folds are more common in Native Americans than most other populations in the world beside East/South East Asians. BUT, the occurance of epicanthic folds in Native Americans is much less prominant than with East Asians. They tend to be most common among indigenous of the northern most populations/tribes.
Epicanthic eye folds are believed to be an adaptation protecting the eye from overexposure to ultraviolet radiation, and is presumed to be a particular trait in archaic humans from eastern and southeast Asia. A cold-adaptive explanation for the epicanthic fold is today seen as outdated by some, as epicanthic folds appear in some African ...
Many Native Americans viewed their troubles in a religious framework within their own belief systems. [ 129 ] According to later academics such as Noble David Cook, a community of scholars began "quietly accumulating piece by piece data on early epidemics in the Americas and their relation to the subjugation of native peoples."
In order to have a functional and healthy relationship with the Native Americans in the United States at that time, the English would trade certain goods; such as food, spices, weapons, tools, etc. to the Indians in return to access to fertile lands, use of waterways, and even rough maps depicting the layout of the land. [8]
400: Ancestral Pueblo peoples of the American Southwest weave extraordinarily long nets for trapping small animals and make yucca fibers into large sacks and bags. 500: Late Basketmaker II Era phase of Ancestral Pueblo culture diminishes in the American Southwest. 700: Basketmaker III Era of the American Southwest evolve into the early Pueblo ...
Native Americans in the United States are defined by citizenship, culture, and familial relationships, not race. [120] [121] Having never defined Native American identity as racial, [120] historically, Native Americans have commonly practiced what mainstream society defines as interracial marriage, which has affected racial ideas of blood ...