Artificial ear. Artificial ear used as a prosthe- sis. This is a false ear pinna, the visible part of the ear which is normally composed of folds of skin & cartilage. This ear is made of a synthetic material, & is designed to fit over the ear canal. It is worn both for cosmetic reasons in the case of ear loss, as well as serving as the natural ear pinna does to direct sound into the ear canal. It will be attached to the head by an adhesive.