The role of reactive oxygen species on Plasmodium melanotic encapsulation in Anopheles gambiae 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 Kosuda An interesting finding in melanocytic nevus that may alarm a pathologist and prompt a thorough search for other features of melanoma Herniation of a nevus nest into the lumen of Insect phenoloxidase and its diverse roles: melanogenesis and beyond Journal of Comparative Physiology B Springer Nature Link Frontiers Differential immune responses in new and old fruit fly parasitoid associations: Implications for their management