title: The ultrastructure of the parasite-host interface of three tetraphyllidean tapeworms of the elasmobranch Raja naevus.
mesh_terms: D000818:Animals; D002589:Cestoda / Q000166:cytology*; D002590:Cestode Infections / Q000473:pathology / Q000662:veterinary*; D005393:Fish Diseases / Q000473:pathology*; D005399:Fishes; D007413:Intestinal Mucosa / Q000473:pathology; D007422:Intestines / Q000473:pathology; D008854:Microscopy, Electron