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       (PATH "gifs/Syllabus Chapters/Descending Corticospinal/toon.Cospinal.gif"))
(OUTLINE-COLOR (NAME "YELLOW"))
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(FRAME-INFO (STRING "Objectives.  Learn the somatotopic organization and location of the primary motor cortex, and the general location of neurons giving rise to the descending fibers of the corticospinal and corticobulbar tracts. Be able to trace the corticospinal and corticobulbar pathways from their origin in the motor cortex to their termination in spinal cord and brainstem nuclei. Identify their relative positions in the midbrain, pons, medulla and spinal cord. Note fiber crossings, and ipsilateral as well as contralateral representations."))
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        (ACTION "pyramidal decussation")
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        (CENTER-PT (269 252))
        (COORD-LIST (257 246) (257 258) (278 258) (278 246)))

(REGION (TYPE "STRUCT")
        (ACTION "lateral corticospinal tract in cord")
        (ID 8)
        (CENTER-PT (292 277))
        (COORD-LIST (277 253) (279 258) (283 263) (285 268) (286 273) (287 278) (289 283) (290 288) (291 293) (291 298) (291 303) (296 301) (300 297) (300 293) (299 289) (298 285) (298 281) (297 277) (296 273) (294 269) (292 265) (291 261) (288 257) (285 253) (281 251) (277 250) (277 253)))

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        (ACTION "corticospinal tract in brainstem")
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        (ACTION "corticobulbar tract in brainstem")
        (ID 6)
        (CENTER-PT (231 167))
        (COORD-LIST (200 136) (202 141) (207 145) (212 149) (217 152) (220 157) (225 162) (226 167) (231 173) (234 178) (237 183) (241 188) (244 193) (248 198) (249 203) (250 208) (251 213) (253 218) (258 223) (263 227) (269 228) (273 224) (271 220) (266 217) (263 213) (259 209) (257 205) (256 201) (256 197) (256 193) (254 189) (251 185) (248 181) (253 183) (259 184) (264 184) (269 184) (270 180) (271 176) (267 175) (263 175) (259 175) (255 175) (251 175) (247 174) (243 172) (239 169) (236 165) (234 161) (232 156) (228 152) (224 149) (220 147) (216 145) (212 142) (208 140) (204 139) (201 135) (200 136)))

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        (ACTION "pontine motor nuclei")
        (ID 5)
        (CENTER-PT (283 167))
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(REGION (TYPE "STRUCT")
        (ACTION "medullary motor nuclei")
        (ID 4)
        (CENTER-PT (287 216))
        (COORD-LIST (281 208) (277 209) (273 211) (272 216) (272 221) (272 226) (277 230) (282 230) (287 229) (292 227) (294 223) (295 219) (295 215) (293 211) (289 208) (285 208) (281 208) (281 208)))

(REGION (TYPE "STRUCT")
        (ACTION "spinal cord motor nuclei")
        (ID 3)
        (CENTER-PT (305 315))
        (COORD-LIST (298 301) (294 306) (292 311) (292 316) (294 321) (299 324) (304 325) (309 324) (312 320) (313 315) (313 311) (313 307) (310 303) (306 300) (302 298) (298 298) (298 301)))

(REGION (TYPE "STRUCT")
        (ACTION "head region of motor cortex")
        (ID 2)
        (CENTER-PT (196 19))
        (COORD-LIST (184 22) (184 27) (186 32) (191 33) (196 30) (201 27) (206 23) (208 19) (208 15) (207 11) (205 7) (201 5) (197 7) (193 10) (184 22)))

(REGION (TYPE "STRUCT")
        (ACTION "body region of motor cortex")
        (ID 1)
        (CENTER-PT (218 14))
        (COORD-LIST (205 6) (207 11) (207 16) (208 21) (213 26) (218 26) (223 24) (228 25) (233 22) (235 18) (235 14) (236 10) (237 6) (233 5) (229 3) (225 2) (221 1) (217 1) (213 1) (205 6)))