Somewhat more formally, for a set Ï of properties and relations, a Ï-representation of some structure X is a structure Y that is the image of X under a s homomorphism that preserves Ï. The label representation is sometimes also applied to the homomorphism itself.
Melanoma. This cancer begins in the melanocytes, the cells that provide the skinâs color. Melanoma is one of the deadliest forms of skin cancer because it can spread rapidly inside the body. Approximately one American dies from melanoma every hour.
This is one of the most frequently-asked questions we hear. Seeing pictures of moles-both benign and malignant-and the changes they undergo may help you understand what melanoma looks like, especially since these changes can sometimes be subtle.ll suspicious moles or lesions, especially those that are new or changing, should be brought to the attention of your dermatologist immediately. To view more pictures of melanoma, submitted by actual melanoma patients, please visit the MRF's Melanoma Picture Gallery and Melanoma Scar Gallery.