a Melanotic macule at the wetdry line of the lower lip. b Melanotic Download Scientific Diagram An oral melanotic macule is a harmless dark spot found on the lip, most often the lower lip, or inside the mouth, either on the gums, inside the cheek, or on the roof of the mouth. An oral melanotic Definition of melanocytic macules associated with Peutz Jeghers syndrome NCI Dictionary of Genetics Terms NCI A collection of resources for RACGP exams Next Gen GP Text Book live webinars AKT and KFP questions