title: Ultrastructural features of a gordian worm (Nematomorpha).
mesh_terms: D000818:Animals; D002490:Central Nervous System / Q000166:cytology; D003094:Collagen; D004064:Digestive System / Q000166:cytology; D004847:Epithelial Cells; D006376:Helminths / Q000166:cytology*; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D009132:Muscles / Q000166:cytology; D009457:Neuroglia / Q000166:cytology; D009474:Neurons / Q000166:cytology; D009940:Organoids; D012867:Skin / Q000166:cytology
chemical_list: D003094:Collagen