INDEX. 



447 



Origin of posterior root of spinal 



nerve, 364 



Oval bundle of His, 427, 429 

 tract (Flechsigi), 345, 361 



Pacchionian bodies, 5 

 Paracentral lobule, 64 

 Paramedial sulcus, 39, 57, 59, 60 

 Parietal lobe, 53, 63, 87, 91, 98 



stalk of thalamus, 103, 104, 226 

 Parieto-temporal artery, 17, 22 

 Parolfactory area- (of Broca), 79, 86 

 Pars anterior rhinencephali, 77 

 basilaris pontis, 266 

 dorsalis pontis, 266, 273 

 frontalis capsulae internae, 103, 



H3 



mammillaris hypothalami, 28,82, 



221, 417 

 occipitalis capsulae internae, 103, 



H3 



optica hypothalami, 28, 82, 221, 



4iS 



posterior rhinencephali, 77 

 Pathological method of locating tracts, 



353 

 Path carrying visceral, muscular and 



tactile impulses, 381 

 for tactile and muscular sense, 



375, 377 

 for tactile, pain and temperature 



impulses, 276, 379, 381 

 through red nucleus, 370, 371 

 Peduncle of corpus callosum (see 



gyms subcallosus) 

 of flocculus, 245, 254 

 Peduncular fibers of cerebellum, 262 



of cerebrum, 224 

 Pedunculi cerebri, 28, 30, 37, 146, 



147 



Pedunculus flocculi, 254 



Perikaryon, 167 



Permanent fissures and sulci of cere- 

 brum, 409, 414 



Perpendicular fasciculus, 237, 241 



Petrosal glossopharyngeal ganglion, 

 46 



Petro-squamosal sinus. 5 



Physiological method of locating 

 tracts, 353 



Pia mater encephali, 9 

 spinalis, 329 

 of brain, 9, 9 



Pia mater of spinal cord, 329, 329 



of brain and cord compared, 13 

 Pineal body, 36, 37, 51, 91, 95, 109, 

 131, 132, 137, 147, 157, 

 243, 416, 416 

 recess. 132, 416 

 stria, 135, 137, 239 (see stria 



medullaris thalami) 

 Pituitary body, 84 (see hypophysis) 

 Plexiform layer of cerebral cortex, 184 

 Plexus basilaris, 4 



chorioideus ventriculi lateralis, 



I2O, 2OI 



chorioideus ventriculi quarti, 290 

 venosi vertebrales interni, 332 

 Plica chorioidea of fourth ventricle, 



419 



Pole of island, 71 

 Polus insulae, 71 



Pons (varolii), 24, 28, 31, 33, 37, 

 38,87,101,145,153,242, 

 266, 418, 421 

 Pontal arteries, 24 

 Pontine flexure, 402 

 Ponto-spinal tracts, 280, 373 

 Postcentral lobule, 72 



sulcus of cerebellum, 247, 248, 



420 



of cerebrum, 63, 410 

 Postdeclivil sulcus, 243, 247, 249, 



420 

 Post-dorso-lateral cells, 343 (see in- 



intermedio-lateral) 

 Postgracile sulcus, 421 

 Postnodular sulcus, 247, 252, 252. 



420 



Postparietal gyrus, 63, 67 

 Postpyramidal sulcus, 245, 247, 252, 



253, 420 



Posterior anastomotic vein, 23 

 area of medulla, 293, 300 

 association center, 182 

 brain vesicle, 33, 35 

 calcarine fissure, 89 

 central gyrus, 39, 61, 63, 64 

 cerebellar notch, 36, 243, 244 



252 

 cerebello-spinal fasciculus, 264, 



305, 3", 288, 341, 357 

 cerebral artery, 15, 17, 25 

 chorioidal artery, 15, 17, 19 

 columna, 335, 339, 347, 427, 

 429 



