title: Retinal structure in the smooth dogfish, Mustelus canis: light microscopy of photoreceptor and horizontal cells.
mesh_terms: D000717:Anatomy, Comparative; D000818:Animals; D009474:Neurons / Q000166:cytology; D010786:Photoreceptor Cells / Q000166:cytology*; D017981:Receptors, Neurotransmitter; D012160:Retina / Q000166:cytology*; D012754:Sharks / Q000033:anatomy & histology*
chemical_list: D017981:Receptors, Neurotransmitter