COMPETING THEORIES OF RECEPTOR EXCITATION IN THE RETINA: CHEMICAL THEORIES.
D000255:Adenosine Triphosphate; D000818:Animals; D001001:Anura; D006651:Histocytochemistry; D006801:Humans; D011200:Poultry; D012106:Research; D012160:Retina; D012168:Retinal Pigments; D014801:Vitamin A
D012168:Retinal Pigments; D014801:Vitamin A; D000255:Adenosine Triphosphate
ADENOSINE TRIPHOSPHATE; EXPERIMENTAL LAB STUDY; FROGS; HISTOCYTOCHEMISTRY; POULTRY; RETINA; RETINAL PIGMENTS; REVIEW; VITAMIN A