When used to treat gangrene, maggots from fly larvae (specially bred in a laboratory so they are sterile) are placed on the wound, where they consume the dead and infected tissue without harming healthy tissue.
Lapho isetshenziswa ukwelapha esibhibhayo fly izibungu (ngokukhethekile ezifuywa e-laboratory, ngakho bathatha oyinyumba) basuke ibekwe isilonda, lapho ziba izicubu efile futhi onegciwane ngaphandle ukulimala inyama ephilile.