Use Hangouts to keep in touch. Message friends, start free video or voice calls, and hop on a conversation with one person or a group. â¢ Send and receive both Hangouts and text messages (SMS/MMS). â¢ Include all your friends with group chats for up to 150 people.
Melanosis coli is a condition usually associated with chronic laxative use in which dark pigment is deposited in the lamina propria (one of the lining layers) of the large intestine (colon). The pigment deposition results in a characteristic dark brown to black discoloration of the lining of the large intestine.
Malignant melanoma is a type of cancer arising from the melanocyte cells of the skin. Melanocytes are cells in the skin that produce a pigment called melanin.un exposure definitely increases the risk of developing melanoma, particularly in older males. The melanocytes are part of the integument's photoprotective mechanism; in response to sunlight, they produce melanin that has a protective role from the sun's ultraviolet rays.