INDEX 



393 



Sensory root field, 59, 60 

 Septum pellucidum, 243, 272 

 posterior intermediate, 83 



median, 83 

 posticum, 74 

 Shark. See Dogfish. 

 Sheath, glial, 86 



medullary. See Sheath, myelin. 

 myelin, 41, 46, 47 

 of Schwann. See Neurilemma. 

 Sight, organs of, 225-228 

 Smell, organs of, 265-282 

 Solitary bundle. See Tractus solitarius. 

 Somesthetic area, 292 

 Speech, apparatus of, 295, 296 

 Spider-cells, 86 

 Spinal cord, 56, 72, 75 



cervical enlargement, 73, 79, 84 

 characters of different regions, 83 

 columns of gray matter, 79 



of white matter. See Funiculus. 

 of cells. See Cell-columns. 

 commissures, 80 

 coverings, 73 

 cornua. See Columns. 

 degenerations from brain lesions, 105, 106 

 from cord lesions, 105, 106 

 from section of dorsal roots, 106 

 development, 41, 42 

 in fetus and infant, 77 

 fissure, anterior median, 76 

 funiculi, 82 

 glial sheath, 86 



gray matter or substance, 78, 79, 80, 81, 87 

 cell-columns, 89, 90 

 columns, 79 

 horns. See Columns. 

 microscopic structure, 87 

 nuclei. See Cell-columns. 

 relation to size of nerves, 84 

 horn. See Column. 

 internal structure, 85 

 lumbar enlargement, 74, 81, 84 

 microscopic structure, 85 

 relation to vertebral canal, 77 

 reflex mechanism of, 91, 92, 93 

 sacral region, 74, 81, 84 

 segmentation, 74 

 sulcus, anterolateral, 76 

 posterior, 76 



intermediate, 76 

 posterolateral, 76 

 thoracic region, 80, 84 

 tracts, 95-112, 110 

 white matter (or substance), 81, 86 

 area in different regions, 82 

 microscopic structure, 86, 87 

 ganglion. See Ganglion. 

 nerve. See Nerve. 

 Spiracle, 356 

 Splanchnic nerves, 348 

 Splenium corporis callosi, 244 

 Spongioblasts, 37 

 Stalk, optic, 32, 225 

 of pineal body, 221 

 of superior olive, 151, 175 

 Stomach, innervation of, 353 

 Stratum griseum centrale, 163 

 of superior colliculus, 167 



Stratum lacunosum, 278 

 lemnisci, 167 

 lucidum, 279 

 opticum, 167 

 oriens, 279 

 profundum, 166, 167 

 radiatum, 279 

 zonale of superior colliculus, 167 



of thalamus, 216 

 Stria (or striae) acustica. See Stria medullares 



acustica. 



of Baillarger, 283 

 of Gennari, 283 

 longitudinalis lateralis, 245, 270 



medialis, 245, 270 

 medullaris acustica, 123, 127, 186 



thalami, 215, 220, 281 

 olfactoria lateralis, 266, 277 



medialis, 266 



semicircularis. See Stria terminalis. 

 terminalis, 214, 281 

 Stripe of Baillarger, 283 



of Gennari, 283 

 Subarachnoid space, 73 

 Subiculum, 277, 280 

 Substantia alba, 42, 79, 86 

 ferruginea, 128 

 grisea, 42, 79, 87 



centralis, 136, 158, 163 

 gelatinosa, Rolandi, 80 

 centralis, 86 



externa. See Sheath, glial. 

 nigra, 129, 158, 164 

 perforata, anterior, 267, 282 



posterior, 115 



reticularis. See Reticular formation, 

 alba, 144 

 grisea, 145 

 Subthalamic tegmental region. See Subthala- 



mus. 



Subthalamus, 222 

 Sulcus (or sulci), anterior lateral, 76, 119 



parol factory, 239 

 basilar, 124 



callosal. See Sulcus of corpus callosum. 

 central, of Rolandi, 233 

 cerebellar, 199 

 cerebral, 233, 235, 236, 239 

 cinguli, 239 

 circularis insulae, 237 

 of corpus callosum, 239 

 cruciate, 114 

 frontal, inferior, 235 

 middle, 235 

 superior, 235 

 horizontalis cerebelli, 197 

 hypothalamicus, 223 

 insulae, 237 



intermedius, posterior, 76, 127 

 intra parietal, 236 

 lateral, of mesencephalon, 130 

 lateralis, anterior. See Sulcus, anterior lateral. 



posterior. See Sulcus, posterior lateral, 

 limitans, 34, 42, 129 



insulae. See Sulcus circularis insulae. 

 lunatus, 237 



median us posterior of spinal cord, 76 

 of medulla oblongata, 119 

 occipitalis transversus, 236 



