The canaliculae perforantes of Schuknecht.
D000818:Animals; D002415:Cats; D002682:Chinchilla; D003051:Cochlea / Q000648:ultrastructure*; D006651:Histocytochemistry; D007761:Labyrinthine Fluids / Q000166:cytology*; D008855:Microscopy, Electron, Scanning; D012453:Saimiri; D013137:Spiral Lamina / Q000648:ultrastructure*