The effect of vitamin A deficiency on photoreceptors in the lizard Sceloporus occidentalis.
D000821:Animal Feed; D000818:Animals; D002856:Chromatophores; D008116:Lizards / Q000502:physiology*; D008854:Microscopy, Electron; D010786:Photoreceptor Cells / Q000473:pathology*; D011984:Sensory Receptor Cells / Q000473:pathology; D014802:Vitamin A Deficiency / Q000473:pathology*