title: Electron microscope studies of the structural organization of statocyst of Arenicola marina.
mesh_terms: D000818:Animals; D000845:Annelida / Q000166:cytology*; D001485:Basement Membrane; D002923:Cilia; D007758:Ear, Inner / Q000166:cytology / Q000294:innervation*; D006112:Gravitation; D008465:Mechanoreceptors / Q000166:cytology / Q000648:ultrastructure*; D008854:Microscopy, Electron; D004856:Postural Balance