title: Electron microscopic observations on Schistosoma mansoni schistosomules grown in vitro and in vivo.
mesh_terms: D000818:Animals; D001700:Biomphalaria; D008168:Lung / Q000469:parasitology; D051379:Mice; D008854:Microscopy, Electron; D012550:Schistosoma mansoni / Q000648:ultrastructure*; D012867:Skin / Q000469:parasitology