Mouth and tongue nerves. Historical anatomical artwork of the nerves of the human mouth and tongue. Various areas of this open mouth and the protruding tongue have been dissected to show the nerves (white). Two teeth have been removed at top, several nerve endings are shown in the tongue, and nerves are revealed in the palate (roof of the mouth) at upper left. Artwork from the 19th-century book Atlas of Anatomy, by Bourgery and Jacob. This book, which took over 20 years to complete, was published in France in 8 volumes from 1831 to 1854. It contained 726 colour plates covering both anatomy and surgical techniques.