title: The ultrastructure of the lemnisci and body wall of Octospinifer macilentus (Acanthocephala).
mesh_terms: D000049:Acanthocephala / Q000166:cytology*; D000818:Animals; D005393:Fish Diseases; D005399:Fishes; D006374:Helminthiasis, Animal; D008854:Microscopy, Electron