Melanuria
melanuria mel·a·nu·ri·a (měl’ə-nur’ē-ə, -nyur’-)
n.
The excretion of urine of a dark color, resulting from the presence of melanin or other pigments or from the action of coal tar derivatives.
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melanuric mel·a·nu·ric (měl’ə-nur’ĭk, -nyur’-) adj. Relating to or characterized by melanuria.
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[mel-uh-toh-nin] /ˌmɛl əˈtoʊ nɪn/ noun, Physiology. 1. a hormone secreted by the pineal gland in inverse proportion to the amount of light received by the retina, important in the regulation of biorhythms: in amphibians, it causes a lightening of the skin. /ˌmɛləˈtəʊnɪn/ noun 1. the hormone-like secretion of the pineal gland, causing skin colour changes […]