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Newborn harlequin color change
Jan 30, · Harlequin Color Change in a Neonate N Engl J Med. Jan 30;(5)doi: /NEJMicm Authors Gert van den Berg 1, Hanneke . Find out where bruises get their colors and why. Have you ever wondered why your bruises change colors, or what those colors signify? The condition is benign, and the . Usually occurring between two and five days of age, harlequin colour change has been seen as late as three weeks of age. 2 The condition is benign, and the change of colour fades away in 30 seconds to 20 minutes. Usually occurring between two and five days of age, harlequin colour change has been seen as late as three weeks of age. Harlequin colour change appears transiently in approximately 10% of healthy newborns. 1 This distinctive phenomenon presents as a well-demarcated colour change, with one half of the body displaying erythema and the other half pallor. 2 The condition is benign, and the change of colour fades away in 30 seconds to 20 minutes. It may recur when the infant is placed on her or his side. Usually occurring between two and five days of age, harlequin colour change has been seen as late as three weeks of age. {2} The Harlequin . The exact mechanism of this phenomenon is not known, but is thought to be due to immaturity of the hypothalamic center that controls dilation of peripheral blood vessels. The secret is through nanocrystal skin that shifts at the chameleon's will. Chameleons are known for many of their unique qualities including their sticky projectile tongue. Chameleons change colors for various reasons but how do they do it?