Innate Immunity in Insects: The Lights and Shadows of Phenoloxidase System Activation 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. 1 Overview of some innate immune responses manifested by various Download Scientific Diagram Frontiers Differential immune responses in new and old fruit fly parasitoid associations: Implications for their management