(IMAGE (TYPE "GIF")
       (PATH "gifs/Syllabus Chapters/SomatoSpthal/CGtrigeminothal.gif"))
(OUTLINE-COLOR (NAME "YELLOW"))
(STRING-COLOR (NAME "RED"))
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(FRAME-INFO (STRING "Trigeminal Component of Spinothalamic Tract, Computer Graphic.  Note the spinal trigeminal nucleus, a long nucleus extending from the medulla to the second cervical spinal cord segment. Its axons \(green\), carrying pain and temperature information from the head, cross the midline and join the spinothalamic tract in the lateral part of the tegmentum of the caudal medulla. The spinal trigeminal tract \(primary trigeminal nerve afferents\) is not shown: it descends ipsilateral to the entry point of the nerve to terminate in the spinal trigeminal nucleus. Locate the main sensory trigeminal nucleus, which relays fine touch, vibration, pressure and proprioceptive information from the head \(see previous chapter\). Also, review the position of the medial lemniscus."))
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
        (ACTION "substantia nigra")
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        (COORD-LIST (278 200) (277 205) (274 210) (270 210) (268 206) (270 202) (278 200)))

(REGION (TYPE "STRUCT")
        (ACTION "substantia nigra")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
        (ACTION "corticopontine tract")
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        (CENTER-PT (217 199))
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
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(REGION (TYPE "STRUCT")
        (ACTION "spinal component entering ventral posterior nucleus")
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        (CENTER-PT (203 125))
        (COORD-LIST (195 129) (200 130) (204 126) (206 122) (207 118) (206 114) (202 115) (195 129)))

(REGION (TYPE "STRUCT")
        (ACTION "trigeminal component entering ventral posterior nucleus")
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        (COORD-LIST (196 112) (201 114) (201 119) (198 124) (197 129) (193 130) (196 112)))

(REGION (TYPE "STRUCT")
        (ACTION "trigeminal component entering ventral posterior nucleus")
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        (CENTER-PT (313 157))
        (COORD-LIST (319 150) (324 152) (320 156) (316 157) (312 160) (309 165) (305 166) (303 162) (307 158) (319 150)))

(REGION (TYPE "STRUCT")
        (ACTION "trigeminal component of spinothalamic tract")
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        (CENTER-PT (261 240))
        (COORD-LIST (244 260) (249 258) (252 254) (255 250) (259 246) (262 242) (266 238) (270 234) (273 230) (275 226) (278 222) (280 218) (283 214) (285 210) (288 206) (291 202) (292 198) (293 194) (294 190) (294 186) (295 182) (297 178) (301 174) (303 170) (302 166) (298 167) (295 172) (292 177) (291 182) (289 187) (289 192) (288 197) (286 202) (283 207) (279 210) (278 215) (276 220) (272 224) (268 228) (264 232) (261 237) (257 241) (244 260)))

(REGION (TYPE "STRUCT")
        (ACTION "oculomotor nuclei")
        (ID 3)
        (CENTER-PT (251 167))
        (COORD-LIST (244 159) (249 160) (254 162) (254 167) (253 172) (249 170) (248 166) (246 162) (244 159)))

(REGION (TYPE "STRUCT")
        (ACTION "spinal component of spinothalamic tract")
        (ID 2)
        (CENTER-PT (176 187))
        (COORD-LIST (152 233) (157 231) (159 227) (162 223) (162 219) (163 215) (165 211) (167 207) (169 203) (171 199) (175 195) (178 191) (180 187) (181 183) (181 179) (184 175) (186 171) (188 167) (190 163) (192 159) (192 155) (194 151) (196 147) (198 143) (200 139) (200 135) (198 131) (194 135) (193 140) (192 145) (189 150) (187 155) (186 160) (185 165) (182 170) (181 176) (179 181) (175 185) (173 190) (171 195) (169 200) (166 205) (164 210) (162 215) (161 220) (158 225) (152 233)))

(REGION (TYPE "STRUCT")
        (ACTION "trigeminal component of spinothalamic tract")
        (ID 1)
        (CENTER-PT (182 162))
        (COORD-LIST (195 132) (194 137) (192 142) (189 147) (187 152) (187 157) (186 162) (184 167) (180 170) (179 166) (178 162) (179 158) (182 154) (185 150) (186 146) (188 142) (189 138) (191 134) (195 132)))