Electron microscopic observations on intracellular digestion in the gastroderm of the lower invertebrate, Bdellocephala brunnea.
D000818:Animals; D004063:Digestion; D004064:Digestive System / Q000166:cytology; D008247:Lysosomes; D008854:Microscopy, Electron; D010587:Phagocytosis; D014419:Turbellaria / Q000033:anatomy & histology*