Multiple meaning in single visual units.
D000222:Adaptation, Physiological; D000663:Amphibians; D000717:Anatomy, Comparative; D000765:Anesthesia, Conduction; D000818:Animals; D001001:Anura; D001369:Axons; D002415:Cats; D008027:Light; D008322:Mammals; D009431:Neural Conduction / Q000187:drug effects; D009474:Neurons / Q000502:physiology*; D009475:Neurons, Afferent; D009900:Optic Nerve / Q000033:anatomy & histology / Q000502:physiology*; D012160:Retina / Q000294:innervation; D013045:Species Specificity; D013116:Spinal Cord / Q000033:anatomy & histology / Q000187:drug effects