Nickel: the essentials. Nickel is found as a constituent in most meteorites and often serves as one of the criteria for distinguishing a meteorite from other minerals. Iron meteorites, or siderites, may contain iron alloyed with from 5 to nearly 20% nickel. The USA 5-cent coin (whose nickname is nickel) contains just 25% nickel.
Common symptoms of VWD are: â¢ easy bruising. â¢ bleeding from nose and gums. â¢ prolonged bleeding from skin lacerations. â¢ bleeding from the gums when baby teeth fall out or after tooth extractions. â¢ heavy or prolonged bleeding during menstruation, called menorrhagia.
Von Willebrand disease is a bleeding disorder. Itâs caused by a deficiency of von Willebrand factor (VWF). This is a type of protein that helps your blood to clot. Von Willebrand is different from hemophilia, another type of bleeding disorder. Bleeding happens when one of your blood vessels breaks.