title: Ultrastructure of the ceca of the digenetic trematodes Gorgodera amplicava and Haematoloechus medioplexus.
mesh_terms: D000818:Animals; D002432:Cecum / Q000166:cytology / Q000502:physiology; D008854:Microscopy, Electron; D014200:Trematoda / Q000033:anatomy & histology*