Assertion: melanoma's skin | /r/HasProperty | melanocyte
Facets:
Source sentences:
text: A mole (naevus) is a normal growth on the skin that develops when the pigment-producing cells of the skin (melanocytes) grow in groups.
text: Melanoma (sometimes known as malignant melanoma) is a form of skin cancer, arising from cells within the skin called melanocytes.