Final answer:
The combining form melan/o in the term melanoma refers to melanocytes, the pigment-producing cells in the epidermis. Melanoma is a deadly type of skin cancer.
Step-by-step explanation:
The combining form melan/o in the term melanoma refers to melanocytes, which are the pigment-producing cells in the epidermis. Melanoma is a type of cancer that develops from these cells and is characterized by the uncontrolled growth of melanocytes. It is the most fatal of all skin cancers.