322 



INDEX AND GLOSSARY 



Center for pain. See Thalamus, 

 pain center in. 



primary, 109, 143, 151 



projection, See Projection cen- 

 ters. 



reflex. See also Reflex circuit, 



109, 113, 129, 156 

 respiratory, 237, 238, 239, 240 

 semioval (centrum semiovale, cen- 

 trum ovale), the great mass of 

 white matter in the center of 

 each cerebral hemisphere. 



sensory, 117, 120 

 tactile. See Area, cutaneous, 

 Touch, apparatus of, and Cen- 

 ter, cortical, somesthetic. 

 trophic, a nerve-center which 

 regulates the nutrition of an- 

 other part, 109 



of trunk and limb reflexes, 129 

 vasomotor. See Vasomotor ap- 

 paratus. 



visceral. See Area, visceral, 

 visual. See Visual apparatus and 



Center, cortical, visual. 

 Central nervous system. See Ner- 

 vous system, central, 

 pause, 98 



Centrifugal. See Efferent. 

 Centripetal. See Afferent. 

 Centrum. See Center. 

 Cephalic, pertaining to the head, or 

 directed toward the head end of 

 the body, as opposed to caudal, 

 116 



Cerebellum, the massive coordina- 

 tion center dorsally of the upper 

 end of the Medulla oblongata, 



110, 111, 112, 115, 117-120, 

 120-122, 143, 152, 158, 186-194, 

 264 



cortex of. See Cortex, cerebellar. 

 development of, 117, 118, 119, 187 

 fiber tracts of, 130, 137, 158, 176, 



187, 188 



functions of, 186, 189, 192, 289, 305 

 lesions of, 189 



Cerebration, unconscious, 297, 309, 

 311 



Cerebrum, that portion of the brain 

 lying above the Isthmus; also used 

 as synonymous with Prosen- 

 cephalon and Cerebral hemi- 

 spheres, 121, 122, 143, 160 



Chain, sympathetic. See Trunk, 

 sympathetic. 



Chemical processes in nerve-cells, 



96, 97, 99 

 sensibility, 72, 85 



Chiasma, optic (chiasma opticum), 

 the partial decussation of the 

 optic Tracts on the ventral surface 

 of the brain, 118, 119, 120, 208, 

 209, 210 



CHILD, C. M., 31, 36, 97, 105 



Chimpanzee, cerebral cortex of, 282 



Chorda tympani, 146, 245 



Chorioid plexus (choroid plexus). See 

 Plexus, chorioid. 



Chrionomus plumosos, nervous sys- 

 tem of, 30 



Chromatin, a nucleo-protein sub- 

 stance found in the cell nucleus, 99 



Chromatolysis, the solution and dis- 

 appearance of the chromophilic 

 Substance from a neuron, 48, 49, 

 136, 284 



Chromophilic bodies, granules, or 

 substance. See Substance, chro- 

 mophilic. 



Ciliary process. See Process, ciliary. 



Cingulum, an association tract of the 

 cerebral hemisphere lying under 

 the Gyrus cinguli, 267 



Circle of Willis, a potygonal circuit 

 of anastomosing arteries on the 

 ventral surface of the brain, from 

 which some of the arteries of the 

 brain arise. 



Circuit, organic. See Reflex circuit. 



Circulation of the blood, apparatus 

 of. See also Vasomotor apparatus, 

 89, 147, 234, 235. 



CLARKE, column of, or dorsal nucleus 

 of. See Nucleus, dorsal, of CLARKE. 



CLAUDIUS, cells of, 197 



Claustrum, a thin band of gray mat- 

 ter between the external Capsule 

 and the cortex of the island of 

 REIL, or Insula. 



Clava, an eminence on the dorsal 

 surface of the lower end of the 

 medulla oblongata produced by 

 the nucleus of the Fasciculus 

 gracilis, 130, 164, 176, 177, 188 



Cochlea, the bony spirally wound 

 canal containing the auditory re- 

 ceptor, 85, 183, 196, 199, 201, 202 



