title: The ultrastructure of the body wall and associated structures of the cercaria of Cryptocotyle lingua (Creplin) (Digenea: Heterophyidae) from Littorina littorea (L.).
mesh_terms: D000818:Animals; D005088:Exocrine Glands / Q000648:ultrastructure; D006651:Histocytochemistry; D007814:Larva / Q000648:ultrastructure; D008854:Microscopy, Electron; D008953:Models, Anatomic; D009055:Mouth / Q000648:ultrastructure; D009132:Muscles / Q000648:ultrastructure; D012867:Skin / Q000648:ultrastructure; D012908:Snails / Q000469:parasitology*; D014200:Trematoda / Q000648:ultrastructure*