A role for nematocytes in the cellular immune response of the Drosophilid Zaprionus indianus Parasitology Cambridge Core The structural unit of melanin in the cell wall of the fungal pathogen Cryptococcus neoformans Journal of Biological Chemistry An acral nevus is a benign melanocytic lesion found on the palms and soles. Dermoscopically, it most commonly shows the parallel furrow pattern, where pigmentation follows the furrows of the skin markings. Moles (melanocytic naevi, pigmented nevi) Encapsulation and Melanization Are Not Correlated to Successful Immune Defense Against Parasitoid Wasps in Drosophila melanogaster