👉 The term "lucernes" is a Spanish word that refers to an oily, yellowish-white substance commonly found on the skin of people with certain types of melanoma. It's also known as melanin or melanocortin. The pigment in the skin that gives it its characteristic brown color and its ability to produce melanin are both related to melanocytes, which are responsible for producing melanin. In this context, "lucernes" refers to a condition where these pigment-producing