[Electron microscopic studies on the eye of Planaria].
D000818:Animals; D004583:Electrons; D005123:Eye / Q000033:anatomy & histology*; D006376:Helminths / Q000033:anatomy & histology*; D006652:Histological Techniques; D008854:Microscopy, Electron; D010932:Planarians
EYE/anatomy and histology; HELMINTHS/anatomy and histology