Frog Nervous System Small 190×320 Medium 379×640 Large 607×1024 Download Tiff Original 1423×2400 | (514.5 KB) Description "Nervous system of frog. 1-10, The cranial nerves; oc., eyes; crb., in front of optic chiasma; to., optic tract; sym., sympathetic system; msp., spinal cord; sp., spinal nerves." -Thomson, 1916 Keywords amphibian nervous system parts, frog anatomy, frog nervous system, label frog nerves Galleries Amphibian Anatomy, Comparative Anatomy Source: J. Arthur Thomson, M.A., LL.D. Outlines of Zoology (New York, NY: D. Appleton & Company, 1916)