GENERAL HISTOLOGY

Detailed explanation-1: -Border that is irregular: The edges are often ragged, notched, or blurred in outline. The pigment may spread into the surrounding skin. Color that is uneven: Shades of black, brown, and tan may be present. Areas of white, gray, red, pink, or blue may also be seen.

Detailed explanation-2: -Melanoma, the most serious type of skin cancer, develops in the cells (melanocytes) that produce melanin-the pigment that gives your skin its color. Melanoma can also form in your eyes and, rarely, inside your body, such as in your nose or throat.