dead death_date death_place birth_place birth_date image article_title name
dead 5 july 1890 heidelberg edenkoben at landau in der pfalz 8 january 1803 friedrich arnold.jpg friedrich arnold
 friedrich arnold
friedrich arnold

friedrich arnold -lrb- 8 january 1803 -- 5 july 1890 -rrb- was professor emeritus of anatomy and physiology at heidelberg .
he read medicine at the university of heidelberg at the same time as his elder brother , johann wilhelm arnold -lrb- 1801 -- 1873 -rrb- .
arnold studied anatomy under friedrich tiedemann -lrb- 1781 -- 1861 -rrb- and vincenz fohmann -lrb- 1794-1837 -rrb- .
he became a doctor of medicine on 7 september 1825 at heidelberg , where several years later , he became an associate professor .
from 1835 , he worked at the universities of zurich , freiburg and tübingen , returning to heidelberg in 1852 as a professor of anatomy and physiology .
following his retirement , he was replaced at heidelberg by carl gegenbaur -lrb- 1826-1903 -rrb- .
the auricular branch of the vagus nerve was nicknamed `` arnold 's nerve '' after he described the reflex of coughing when the ear is stimulated .
other eponyms that contain his name are `` arnold 's ganglion '' -lrb- otic ganglion -rrb- and `` arnold 's canal '' -lrb- a passage of the petrous portion of the temporal bone for the auricular branch of the vagus nerve .
he was also privy counsellor in heidelberg .
