Melanotic neuroectodermal tumor of infancy Wikipedia Cellular encapsulation and melanization are enhanced by immulectins, pattern recognition receptors from the tobacco hornworm Manduca sexta ScienceDirect Extracellular matrix protein N glycosylation mediates immune self tolerance in Drosophila melanogaster PNAS Melanosis coli** Melanosis coli is a benign, reversible condition characterized by brown black pigmentation of the colonic mucosa, most often due to chronic use of anthraquinone laxatives. The discoloration is caused