On the birefringence of rods and cones.
D000818:Animals; D001001:Anura; D001718:Birefringence; D003530:Cyprinidae; D003681:Dehydration; D000431:Ethanol / Q000494:pharmacology; D008116:Lizards; D009997:Osmotic Pressure; D010786:Photoreceptor Cells / Q000187:drug effects / Q000502:physiology*; D012160:Retina / Q000294:innervation; D013696:Temperature; D014562:Caudata; D014981:Xenopus
D000431:Ethanol