Palmberg, I Sensory receptors in the head of Stenostomum leucops. I. Presumptive photoreceptors. [electronic resource] - Acta biologica Hungarica 1992 - 259-67 p. digital Publication Type: Journal Article ISSN: 0236-5383 Subjects--Topical Terms: AnimalsCilia--ultrastructureCytoplasmic Granules--ultrastructureMicroscopy, ElectronPhotoreceptor Cells--ultrastructureSensory Receptor Cells--ultrastructureTurbellaria--ultrastructure