Stability of the Necturus eye-cup preparation.
D000818:Animals; D003201:Computers; D004596:Electroretinography; D005071:Evoked Potentials; D009924:Organ Culture Techniques; D012160:Retina / Q000502:physiology*; D012171:Retinal Vessels; D014562:Caudata; D014796:Visual Perception / Q000502:physiology