Excystment of the metacercaria of the trematode Mesocoelium monodi.
D000818:Animals; D001646:Bile; D002025:Bufonidae; D002645:Chickens; D004386:Duodenum; D006801:Humans; D007421:Intestine, Small; D051381:Rats; D014200:Trematoda / Q000302:isolation & purification / Q000502:physiology*; D014201:Trematode Infections / Q000209:etiology / Q000652:urine