👉 Melanous is a medical term that refers to a pigment found in the skin and hair, which can cause various skin conditions such as hyperpigmentation. Melanosomes are a type of cell membrane within keratinocytes (a type of skin cells) that contain a pigment called melanin. It is an essential component for maintaining the color of the skin. Melanous disorders include pigmented hyperpigmentation and melanocytic nevi, which can cause discoloration or abnormal growths