title: SOME OBSERVATIONS ON THE FINE STRUCTURE OF THE RETINAL RECEPTORS OF THE AMERICAN GRAY SQUIRREL.
mesh_terms: D000818:Animals; D003585:Cell Biology; D004583:Electrons; D004596:Electroretinography; D006653:Histology; D008853:Microscopy; D008854:Microscopy, Electron; D009457:Neuroglia; D012106:Research; D012160:Retina; D012168:Retinal Pigments; D012377:Rodentia; D012589:Sciuridae; D011984:Sensory Receptor Cells; D014481:United States
chemical_list: D012168:Retinal Pigments
keywords: CYTOLOGY; ELECTRORETINOGRAPHY; EXPERIMENTAL LAB STUDY; HISTOLOGY; MICROSCOPY, ELECTRON; NEUROGLIA; RECEPTORS, NEURAL; RETINA; RETINAL PIGMENTS; REVIEW; RODENTS