INDEX AND GLOSSARY 



353 



Tract, olivo-spinal (HELWIG'S bun- 

 dle, tractus triangularis), 130, 

 131 



optic (tractus opticus), that por- 

 tion of the optic path which 

 passes between the optic Chi- 

 asma and the optic centers in 

 the thalamus and midbrain. 

 (The term might properly be 

 extended to include also the so- 

 called optic Nerve), 114, 120, 

 161, 166, 167, 208, 209, 210, 

 222 



ponto-cerebellar, 188 

 predorsal. See Tract, tecto-spinal. 

 projection. See Projection fibers, 

 pyramidal. See Tract, cortico- 



spinal. 



respiratory, 240 

 rubro-spinal (MONAKOW'S tract), 



130, 131, 156, 161, 188, 189 

 rubro-thalamic, 188 

 of SCHULTZE. See Fasciculus in- 

 ter fascicular is. 

 secondary gustatory. See Lem- 



niscus, visceral. 

 visceral. See Lemniscus, vis- 

 ceral. 



septo-marginal, 130, 131 

 solitary. See Fasciculus solitarius. 

 soli tar io-spinalis, 237, 239, 240, 



247 

 of spinal cord. Sec Spinal cord, 



tracts of. 

 spinal, of V nerve, 14X, 149, 153, 



155, 156, 174, ISO, 244 

 of vestilmlar nerve, 155 

 spino-cerebellur, 114, 137, ISO 

 dorsal (fasciculus cerebello-spi- 

 nalis, B. N. A., direct cere- 

 bellar tract, FLECHSIG'S tract ), 

 130, 139, 156, 176, 188 

 ventral (part of (ioWKiss' fas- 

 ciculus, or Fasciculus antero- 

 lateralis superCicialis, B. N. 

 A.), 128, 130, 139, 156, 176, 

 188 



spino-olivary, 130, 131, 176, 188 

 spino-tectal, 128, 130, 131, 161, 



179 

 spino-thalamic, lateral, 130, 131, 



139, 179 



ventral, 130, 131, 139 

 tecto-cerebellar, 176, 188 



23 



Tract, tecto-spinal (predorsal bundle, 

 tract of LOWENTHAL), 130, 131, 

 140, 156 



terminology of, 128 



thalamo-bulbar, 181 



thalamo-cortical; cf. Projection 

 fibers and Radiations, 170, 174, 

 176, 289, 306 



thalarno-oh'vary, 161 



thalamo-peduncular, 165 



thalamo-spinal, 181 



triangular. See Tract, olivo-spinal. 



vestibulo-cerebellar, 157, 176, 187, 

 188 



vestibulo-spinal, 130, 131, 140, 

 157, 176, 185 



of VICQ D'AZYR. See Tract, 



mamillo-thalamic. 

 Transmission of nervous impulse. 



See Conduction, nervous. 

 Trapezoid body. See Body, trape- 



zoid. 



Trigonum habenulae, a triangular 

 area at the posterior end of the 

 Habenula, 162 



hypoglossi (eminentia hypoglossi), 

 a ridge in the floor of the fourth 

 ventricle produced by the XII 

 nucleus, 154, 156 



olfactorium, a triangular expan- 

 sion of the Cms olfactoria from 

 which the Striae olfactoriae arise. 



vagi. .See Ala cinerea. 

 Tropism, a simple form of invariable 



Behavior not requiring a nervous 



system, 57 



THOTTER, W., 79, 84, 95, 172 

 Trunk (truncus), the main stem of a 

 nerve from which the branches 

 (ranii) arc given off. See Nerve. 



sympathetic (ganglionated sympa- 

 thetic cord, sympathetic chain, 

 vertebral sympathetic chain), a 

 strand of sympathetic nerves 

 and ganglia extending along 

 each side of the vertebral col- 

 umn, 107, 225, 226 

 Tube, auditory (Eustachean tube), 

 195 



neural. See Neural tube. 

 Tuber cinereum, a gray eminence 



forming the ventral part of the 



Hypothalamus, 114, 119, 120, 



163, 167, 306 



