None
Vieussens, valve of. See Velum, anterior med- VisceraJ innervation, 335 Visual apparatus, 225 receptive center, 292 Visuo-psychic area, 293, 294 Vomitmg, mechanism of, 331 Wallerian degeneration, 105, /06, !07 Weight of brain, 301 Worms, nervous system of, 19, 20. 21, 22 Wrisbei^, nerve of. See Nervus intermediua. Zone, cortical. See Center, corticaL ependymal, 37 mantle. 37. 42, 196 marginal, 37, 42. 196 y.Google. 