title: The Harderian gland and site-finding by metacercariae of Philophthalmus megalurus (Trematoda: Digenea).
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D002633:Chemotaxis; D002642:Chick Embryo; D002645:Chickens; D005210:Fasciola hepatica / Q000502:physiology; D007765:Lacrimal Apparatus; D007814:Larva / Q000254:growth & development / Q000502:physiology; D008297:Male; D009924:Organ Culture Techniques; D014200:Trematoda / Q000254:growth & development / Q000502:physiology*