DIFFERENTIATION OF RODS AND CONES IN TOTAL DARKNESS.
D000818:Animals; D001001:Anura; D003585:Cell Biology; D002454:Cell Differentiation; D003624:Darkness; D004583:Electrons; D008675:Metamorphosis, Biological; D008853:Microscopy; D008854:Microscopy, Electron; D020419:Photoreceptor Cells, Vertebrate; D012106:Research; D012160:Retina
CELL DIFFERENTIATION; CYTOLOGY; DARKNESS; EXPERIMENTAL LAB STUDY; FROGS; METAMORPHOSIS, BIOLOGICAL; MICROSCOPY, ELECTRON; RETINA