title: Ultrastructural studies of halo nevus.
mesh_terms: D000293:Adolescent; D002648:Child; D006801:Humans; D007801:Langerhans Cells / Q000648:ultrastructure; D008297:Male; D008544:Melanocytes / Q000648:ultrastructure*; D008854:Microscopy, Electron; D009508:Nevus, Pigmented / Q000473:pathology*; D009940:Organoids / Q000648:ultrastructure; D010587:Phagocytosis; D012878:Skin Neoplasms / Q000473:pathology*; D014617:Vacuoles / Q000648:ultrastructure