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(FRAME-INFO (STRING "Somatic Sensory Nuclei, Computer Reconstruction. This reconstruction highlights the trigeminal nuclei which receive somatic afferents in the trigeminal nerve \(V\) from the head \(predominantly the face\). The main \(principal or chief\) sensory nucleus of the trigeminal nerve \(located within the pons\) receives fine touch and proprioceptive information from the face, while the spinal trigeminal nucleus, which extends throughout the medulla and into the rostral cervical cord, receives pain and temperature information. The trigeminal axons terminating in both these nuclei have cell bodies located outside of the brainstem in the trigeminal ganglion. The mesencephalic nucleus of the trigeminal nerve, located in the midbrain, is unique in consisting of primary afferent cells whose peripheral processes travel in the trigeminal nerve to innervate proprioceptors in the muscles of mastication. Small regions of skin around the ear and the external auditory meatus are innervated by the nervus intermedius, a part of the facial nerve \(VII\), and the glossopharyngeal \(IX\) and vagus \(X\) nerves. Sensory information from this region is relayed to the spinal trigeminal nucleus."))
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        (ID 13)
        (CENTER-PT (532 128))
        (COORD-LIST (480 83) (476 84) (474 89) (479 94) (484 97) (489 101) (494 104) (499 106) (504 110) (509 114) (513 119) (518 123) (523 128) (528 132) (534 135) (539 138) (544 140) (549 142) (554 144) (559 142) (556 138) (552 135) (548 133) (544 130) (540 128) (536 124) (532 122) (528 119) (524 115) (520 112) (516 109) (512 106) (508 102) (504 100) (501 96) (497 94) (493 92) (489 89) (485 86) (480 83)))

(REGION (TYPE "STRUCT")
        (ACTION "spinal trigeminal nucleus")
        (ID 12)
        (CENTER-PT (518 160))
        (COORD-LIST (452 128) (449 133) (451 138) (456 139) (461 141) (466 144) (471 146) (477 148) (482 150) (487 152) (492 155) (497 158) (502 160) (507 163) (512 165) (517 167) (522 168) (527 170) (532 172) (537 174) (541 170) (541 166) (537 163) (533 162) (529 161) (525 160) (452 128)))

(REGION (TYPE "STRUCT")
        (ACTION "spinal trigeminal nucleus")
        (ID 11)
        (CENTER-PT (560 144))
        (COORD-LIST (566 144) (562 143) (558 143) (559 148) (564 150) (566 144)))

(REGION (TYPE "STRUCT")
        (ACTION "spinal trigeminal nucleus")
        (ID 10)
        (CENTER-PT (546 174))
        (COORD-LIST (551 173) (547 170) (543 169) (542 174) (547 178) (550 174) (551 173)))

(REGION (TYPE "STRUCT")
        (ACTION "nervus intermedius")
        (ID 9)
        (CENTER-PT (138 325))
        (COORD-LIST (233 228) (234 233) (237 238) (238 243) (239 248) (238 253) (234 257) (230 259) (226 261) (222 264) (218 266) (214 269) (210 272) (206 275) (202 278) (198 281) (194 283) (190 286) (186 289) (182 292) (178 295) (174 298) (170 302) (166 305) (162 309) (158 313) (154 316) (150 320) (146 324) (142 328) (138 333) (134 337) (131 342) (127 345) (123 349) (119 352) (115 356) (111 359) (107 362) (103 366) (98 369) (94 372) (90 374) (86 377) (82 380) (78 383) (74 386) (70 385) (67 381) (71 377) (76 375) (81 372) (86 368) (91 365) (96 362) (99 358) (103 354) (106 350) (110 346) (113 342) (116 338) (119 334) (122 330) (126 326) (129 322) (132 318) (134 314) (138 310) (142 306) (145 302) (150 299) (152 295) (156 291) (160 287) (165 283) (169 279) (173 274) (177 270) (181 266) (186 262) (191 259) (195 255) (200 252) (205 248) (209 244) (213 240) (218 237) (223 235) (228 233) (233 228)))

(REGION (TYPE "STRUCT")
        (ACTION "glossopharyngeal nerve")
        (ID 8)
        (CENTER-PT (227 295))
        (COORD-LIST (255 241) (258 246) (259 251) (263 256) (264 261) (260 264) (256 269) (252 273) (248 277) (244 281) (240 286) (236 291) (233 296) (229 300) (225 305) (223 310) (220 315) (217 320) (214 325) (211 330) (207 332) (203 329) (204 325) (207 321) (209 317) (212 312) (214 308) (216 304) (216 300) (217 296) (219 292) (222 288) (224 284) (226 280) (227 276) (228 272) (230 268) (233 264) (234 260) (237 256) (239 252) (243 248) (248 245) (255 241)))

(REGION (TYPE "STRUCT")
        (ACTION "vagus nerve")
        (ID 7)
        (CENTER-PT (275 304))
        (COORD-LIST (378 302) (375 298) (371 295) (367 292) (363 289) (359 286) (355 285) (351 283) (347 281) (343 279) (339 277) (335 275) (331 274) (327 273) (323 272) (319 270) (315 268) (311 268) (307 270) (303 271) (299 272) (295 274) (291 276) (287 278) (283 282) (279 286) (275 290) (271 293) (268 298) (264 301) (260 306) (257 311) (253 315) (250 320) (253 325) (258 328) (263 326) (268 323) (273 320) (278 316) (282 312) (287 309) (291 305) (296 303) (301 300) (306 298) (311 297) (316 295) (321 293) (326 291) (331 291) (336 293) (341 294) (346 296) (351 297) (356 298) (362 299) (367 300) (372 301) (378 302)))

(REGION (TYPE "STRUCT")
        (ACTION "superior cerebellar peduncle")
        (ID 6)
        (CENTER-PT (261 133))
        (COORD-LIST (252 126) (253 131) (256 136) (261 138) (266 137) (271 135) (270 131) (266 129) (262 128) (258 127) (254 126) (252 126)))

(REGION (TYPE "STRUCT")
        (ACTION "pyramid")
        (ID 5)
        (CENTER-PT (557 168))
        (COORD-LIST (559 165) (555 165) (552 170) (550 175) (555 175) (560 172) (562 168) (559 165)))

(REGION (TYPE "STRUCT")
        (ACTION "pyramid")
        (ID 4)
        (CENTER-PT (562 159))
        (COORD-LIST (565 153) (561 155) (558 160) (557 165) (562 167) (565 163) (567 159) (568 155) (566 151) (565 153)))

(REGION (TYPE "STRUCT")
        (ACTION "middle cerebellar peduncle")
        (ID 3)
        (CENTER-PT (442 156))
        (COORD-LIST (433 125) (435 130) (439 135) (444 135) (449 137) (454 138) (459 140) (464 143) (469 146) (469 151) (468 156) (465 161) (461 165) (457 167) (453 169) (449 171) (445 173) (441 173) (437 173) (433 170) (429 167) (427 163) (425 159) (424 155) (423 151) (424 147) (426 143) (427 139) (428 135) (430 131) (433 127) (433 125)))

(REGION (TYPE "STRUCT")
        (ACTION "middle cerebellar peduncle")
        (ID 2)
        (CENTER-PT (486 66))
        (COORD-LIST (476 50) (472 52) (468 56) (464 60) (462 65) (462 70) (467 72) (472 74) (477 78) (481 83) (486 85) (491 89) (496 87) (501 85) (506 86) (507 82) (507 78) (505 74) (505 70) (503 66) (501 62) (500 58) (498 54) (494 51) (490 49) (486 48) (482 48) (478 49) (476 50)))

(REGION (TYPE "STRUCT")
        (ACTION "fourth ventricle")
        (ID 1)
        (CENTER-PT (435 88))
        (COORD-LIST (433 81) (430 86) (428 91) (425 96) (430 97) (435 95) (440 92) (441 88) (442 84) (439 80) (435 81) (433 81)))