General discussion concerning the receptor organization.
D000663:Amphibians; D000818:Animals; D001489:Basilar Membrane / Q000648:ultrastructure; D007758:Ear, Inner / Q000294:innervation / Q000648:ultrastructure*; D005399:Fishes; D006197:Hair / Q000648:ultrastructure; D008116:Lizards; D008566:Membranes / Q000648:ultrastructure*; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D009434:Neural Pathways; D009925:Organ of Corti / Q000648:ultrastructure*; D012104:Reptiles; D011984:Sensory Receptor Cells / Q000648:ultrastructure*; D013045:Species Specificity; D013194:Staining and Labeling