Snake Head Small 320×158 Medium 640×317 Large 1024×506 Download Tiff Original 2400×1187 | (681.4 KB) Description "Snake's head. dv., Poison fangs; b., sheath of fang; l., tongue; rl., muscles of tongue." -Thomson, 1916 Keywords label snake parts, poison fangs, Reptile, snake fangs, snake head Galleries Reptile Anatomy Source: J. Arthur Thomson, M.A., LL.D. Outlines of Zoology (New York, NY: D. Appleton & Company, 1916)
