Sometimes called a "polyp" or "proud flesh". A collection of new tissue and blood vessels often seen at the opening of a piercing. Usually caused by friction at the opening of the piercing. Can be surgically removed by a physician or reduced in size by chemical cautery: the application of copper sulphate crystal or a silver nitrate stick. Bleeds easily in contrast to keloid.
Granulation tissue is the perfused, fibrous connective tissue that replaces a fibrin clot in healing wounds. Granulation tissue typically grows from the base of a wound and is able to fill wounds of almost any size.