448 



INDEX. 



Posterior commissure of cerebrum, 

 95, 109, 131, 132, 137, 416 

 of cord, 335, 350 

 communicating artery, 4, 14, 15 

 fasciculus proprius. 362 

 horn of lateral ventricle, 123, 



131, 133, 137, 141 

 inferior cerebellar artery, 15, 24, 



27, 29 

 intermediate sulcus of cord, 335, 



338 



internal frontal arteries, 16, 25 

 lateral sulcus of cord, 335, 337 



43 

 lateral sulcusof medulla, 41, 149, 



153, 286, 295, 297 

 longitudinal bundle (see medial 



longitudinal bundle) 

 median fissure of cord, 335, 337, 



349, 43 



median fissure of medulla, 285 



median vein, 24 



orbital gyrus, 74, 75 



parolfactory sulcus, 86 



perforated substance, 38, 47, 

 109, 132, 146, 151 



pillar of fornix, 133 (see cms 

 fornicis) 



radicular artery, 331 

 vein, 331 



ramus of lateral fissure of cere- 

 brum, 57 



root of spinal nerve, 327, 334, 



349, 3 6 3. 3 6 4. 399, 427. 

 428, 429 



slender lobule, 252, 255 

 spinal artery, 24, 27, 331 

 subarachnoid space, 8, 329 

 surface of medulla, 270, 288 



of pons, 269, 270 

 white column of cord, 345, 399 

 Postero-lateral column (Burdach'i), 



300 



descending tract, 345, 362 

 ganglionic arteries. 19, 21 

 Postero-medial column (Golli), 300 

 Postero-median ganglionic arteries, 



15, 18, 19 

 Precentral lobule of island, 72 



sulcus of cerebellum, 247, 248, 



420 



of cerebrum, 59, 410, 414 

 Precuneate gyrus (see precuneus) 



Precuneus, 95, 97 



Predeclivil sulcus, 243, 247, 249, 



420 



Preolivary nucleus, 278, 279 

 Prepyramidal sulcus, 245, 247, 252, 



252, 420 



Prevertebral ganglia, 401 

 Primary brain vesicles, 30, 35, 395 

 fissures of cerebrum, 409, 411, 



413 



Primitive streak, 35 



Principle or chief vestibular nucleus 



(Schwalbe's), 307 

 Processes of dura mater, i 

 of neurone, 167, 169 

 Processus durae matris, i 

 Projection fibers of cerebellum, 262, 



263 



of cerebrum, 224 

 Prosencephalon, 30, 31, 51 

 Protoplasmic processes of neurones, 



169 

 Psychic acustic center, 71, 181 



center of abstract concept, 60, 



182, 183 

 center of concrete concept, 182, 



183 



motor area, 178 

 optic center, 181 

 sensory area, 178, 67 

 Pulvinarof thalamus, 140, 149, 207, 



211, 315. 



Pupillary constriction, 394 

 dilation, 394 

 reflexes, 394 



Pupillo-dilator tract, 220, 298, 355 

 Purkinje's cells, 257, 258, 259, 



265 

 Putamen of lentiform nucleus, 116 



145, 209, 235 

 Pyramid of cerebellum, 247, 252, 



254 

 of medulla, 41, 153, 209, 267, 



295, 297, 3" 2 93. 2 94 

 Pyramidal cells of cerebral cortex, 



165 



decussation, 291, 311 

 motor paths, 366 

 tract, 103, 148, 159, 226, 272, 



277, 294, 355, 358 

 Pyramis cerebelli, 87, 254 

 medullae oblongatae, 294 

 vermis, 254 



