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Dorsal root of spinal nerve

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The medial division of the dorsal root contains myelinated fibres of larger diameter. These transmit information of discriminative touch, pressure, vibration, and conscious
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A portion of the spinal cord, showing its right lateral surface. The dura is opened and arranged to show the nerve roots.
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at Human Anatomy Online, SUNY Downstate Medical Center - "Superior view of a section through the spinal cord within the
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and unmyelinated fibres of small diameter. These carry pain and temperature sensation. These fibers cross through the
1047: 977: 1042: 972: 587: 249: 389: 662: 224:. If the dorsal root of a spinal nerve were severed, it would lead to numbness in certain areas of the body. 82: 657: 645: 416: 132: 697: 692: 235: 1202: 1052: 987: 615: 190: 1252: 982: 708: 681: 409: 209: 1149: 676: 440: 94: 70: 58: 1242: 1007: 997: 932: 213: 168: 1132: 1029: 959: 785: 640: 194: 164: 140: 128: 8: 1172: 1017: 1012: 547: 480: 156: 1207: 1177: 1108: 1077: 1067: 1062: 1057: 1002: 778: 688: 542: 217: 1192: 1182: 1167: 1072: 937: 718: 670: 475: 470: 382: 273: 241: 198: 182: 1159: 1122: 1117: 465: 927: 896: 891: 773: 768: 592: 1217: 1187: 1144: 964: 922: 900: 820: 703: 527: 432: 205: 144: 1236: 866: 851: 532: 216:. These fibers are pushed in towards the posterior median sulcus to form the 75: 178:
fibres which travel from the ganglia through the root into the spinal cord.
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Diagrammatic transverse section of the medulla spinalis and its membranes.
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The formation of the spinal nerve from the dorsal and ventral roots
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A spinal nerve with its anterior and posterior roots.
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Anatomy Atlases – Microscopic Anatomy, plate 06.114
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Scheme showing structure of a typical spinal nerve.
1234: 123:) is one of two "roots" which emerge from the 417: 185:division of the dorsal root contains lightly 424: 410: 24: 222:posterior column–medial lemniscus pathway 1235: 167:. The dorsal root ganglia contain the 405: 397:Dorsal root - Cell Centered Database 227: 13: 431: 220:and the cuneate fasciculus of the 14: 1264: 372: 308: 296: 284: 272: 260: 248: 234: 147:sensory root of a spinal nerve. 588:Oligodendrocyte progenitor cell 208:originating from spinal levels 339: 117:posterior root of spinal nerve 52:radix posterior nervi spinalis 1: 347:"Spinal Nerves - an overview" 332: 393:- "Spinal Root Nerve Fibers" 150: 139:. The dorsal root transmits 7: 698:Postganglionic nerve fibers 320: 113:dorsal root of spinal nerve 19:Dorsal root of spinal nerve 10: 1269: 693:Preganglionic nerve fibers 155:The root emerges from the 1248:Peripheral nervous system 1203:Olfactory receptor neuron 1158: 1099: 1092: 1028: 958: 915: 875: 867:Neurofibril/neurofilament 837: 819: 812: 798: 745: 717: 623: 614: 561: 518: 511: 448: 439: 191:anterior white commissure 143:information, forming the 93: 81: 69: 57: 45: 40: 35: 23: 18: 379:Anatomy figure: 02:04-06 131:. Nerve fibres with the 135:then combine to form a 1150:Neuromuscular junction 1013:III or Aδ or fast pain 95:Anatomical terminology 1168:Meissner's corpuscle 1133:Postsynaptic density 1030:Efferent nerve fiber 1018:IV or C or slow pain 960:Afferent nerve fiber 786:Satellite glial cell 351:ScienceDirect Topics 195:anterolateral system 165:dorsal root ganglion 129:dorsal root ganglion 1173:Merkel nerve ending 163:and travels to the 1208:Photoreceptor cell 1178:Pacinian corpuscle 1109:Electrical synapse 1063:Lower motor neuron 1058:Upper motor neuron 779:Internodal segment 719:Connective tissues 689:Autonomic ganglion 279:The sensory tract. 218:gracile fasciculus 1230: 1229: 1226: 1225: 1193:Free nerve ending 1160:Sensory receptors 1088: 1087: 1003:Ib or Golgi or Aα 911: 910: 794: 793: 671:Ramus communicans 610: 609: 606: 605: 476:Commissural fiber 471:Association fiber 466:Projection fibers 383:vertebral foramen 242:Cervical vertebra 228:Additional images 199:lateral funiculus 109: 108: 104: 1260: 1123:Synaptic vesicle 1118:Chemical synapse 1097: 1096: 817: 816: 810: 809: 621: 620: 516: 515: 446: 445: 426: 419: 412: 403: 402: 366: 365: 363: 362: 353:. Archived from 343: 312: 300: 288: 276: 264: 255:Medulla spinalis 252: 238: 101:edit on Wikidata 98: 28: 16: 15: 1268: 1267: 1263: 1262: 1261: 1259: 1258: 1257: 1253:Thoracic nerves 1233: 1232: 1231: 1222: 1154: 1084: 1033: 1024: 1008:II or Aβ and Aγ 963: 954: 907: 897:Apical dendrite 892:Dendritic spine 871: 833: 803: 790: 774:Node of Ranvier 769:Myelin incisure 741: 713: 602: 593:Oligodendrocyte 576:Ependymal cells 557: 507: 435: 430: 375: 370: 369: 360: 358: 345: 344: 340: 335: 323: 316: 313: 304: 301: 292: 289: 280: 277: 268: 265: 256: 253: 244: 239: 230: 169:pseudo-unipolar 153: 105: 31: 12: 11: 5: 1266: 1256: 1255: 1250: 1245: 1228: 1227: 1224: 1223: 1221: 1220: 1218:Taste receptor 1215: 1210: 1205: 1200: 1195: 1190: 1188:Muscle spindle 1185: 1183:Ruffini ending 1180: 1175: 1170: 1164: 1162: 1156: 1155: 1153: 1152: 1147: 1145:Ribbon synapse 1142: 1137: 1136: 1135: 1130: 1125: 1115: 1105: 1103: 1094: 1090: 1089: 1086: 1085: 1083: 1082: 1081: 1080: 1075: 1070: 1060: 1055: 1050: 1045: 1039: 1037: 1026: 1025: 1023: 1022: 1021: 1020: 1015: 1010: 1005: 1000: 990: 985: 980: 975: 969: 967: 965:Sensory neuron 956: 955: 953: 952: 951: 950: 940: 935: 933:Pseudounipolar 930: 925: 919: 917: 913: 912: 909: 908: 906: 905: 904: 903: 901:Basal dendrite 894: 889: 881: 879: 873: 872: 870: 869: 864: 859: 854: 852:Axon terminals 849: 843: 841: 835: 834: 832: 831: 825: 823: 814: 807: 796: 795: 792: 791: 789: 788: 783: 782: 781: 776: 771: 766: 751: 749: 743: 742: 740: 739: 734: 729: 723: 721: 715: 714: 712: 711: 706: 704:Nerve fascicle 701: 695: 686: 685: 684: 679: 667: 666: 665: 660: 650: 649: 648: 643: 638: 627: 625: 618: 612: 611: 608: 607: 604: 603: 601: 600: 595: 590: 585: 584: 583: 573: 567: 565: 559: 558: 556: 555: 550: 545: 540: 535: 530: 524: 522: 513: 509: 508: 506: 505: 500: 495: 494: 493: 488: 483: 478: 473: 468: 458: 452: 450: 443: 437: 436: 433:Nervous tissue 429: 428: 421: 414: 406: 400: 399: 394: 386: 374: 373:External links 371: 368: 367: 357:on May 6, 2021 337: 336: 334: 331: 330: 329: 322: 319: 318: 317: 314: 307: 305: 302: 295: 293: 290: 283: 281: 278: 271: 269: 266: 259: 257: 254: 247: 245: 240: 233: 229: 226: 206:proprioception 152: 149: 107: 106: 97: 91: 90: 85: 79: 78: 73: 67: 66: 61: 55: 54: 49: 43: 42: 38: 37: 33: 32: 29: 21: 20: 9: 6: 4: 3: 2: 1265: 1254: 1251: 1249: 1246: 1244: 1241: 1240: 1238: 1219: 1216: 1214: 1211: 1209: 1206: 1204: 1201: 1199: 1196: 1194: 1191: 1189: 1186: 1184: 1181: 1179: 1176: 1174: 1171: 1169: 1166: 1165: 1163: 1161: 1157: 1151: 1148: 1146: 1143: 1141: 1138: 1134: 1131: 1129: 1126: 1124: 1121: 1120: 1119: 1116: 1114: 1110: 1107: 1106: 1104: 1102: 1098: 1095: 1091: 1079: 1078:γ motorneuron 1076: 1074: 1073:β motorneuron 1071: 1069: 1068:α motorneuron 1066: 1065: 1064: 1061: 1059: 1056: 1054: 1051: 1049: 1046: 1044: 1041: 1040: 1038: 1036: 1031: 1027: 1019: 1016: 1014: 1011: 1009: 1006: 1004: 1001: 999: 996: 995: 994: 991: 989: 986: 984: 981: 979: 976: 974: 971: 970: 968: 966: 961: 957: 949: 946: 945: 944: 941: 939: 936: 934: 931: 929: 926: 924: 921: 920: 918: 914: 902: 898: 895: 893: 890: 888: 885: 884: 883: 882: 880: 878: 874: 868: 865: 863: 860: 858: 855: 853: 850: 848: 845: 844: 842: 840: 836: 830: 827: 826: 824: 822: 818: 815: 811: 808: 806: 801: 797: 787: 784: 780: 777: 775: 772: 770: 767: 765: 762: 761: 760: 756: 753: 752: 750: 748: 744: 738: 735: 733: 730: 728: 725: 724: 722: 720: 716: 710: 707: 705: 702: 699: 696: 694: 690: 687: 683: 680: 678: 675: 674: 673: 672: 668: 664: 661: 659: 656: 655: 654: 651: 647: 644: 642: 639: 637: 634: 633: 632: 629: 628: 626: 622: 619: 617: 613: 599: 596: 594: 591: 589: 586: 582: 579: 578: 577: 574: 572: 569: 568: 566: 564: 560: 554: 551: 549: 546: 544: 541: 539: 536: 534: 531: 529: 526: 525: 523: 521: 517: 514: 510: 504: 501: 499: 496: 492: 489: 487: 484: 482: 479: 477: 474: 472: 469: 467: 464: 463: 462: 459: 457: 454: 453: 451: 447: 444: 442: 438: 434: 427: 422: 420: 415: 413: 408: 407: 404: 398: 395: 392: 391: 387: 384: 380: 377: 376: 356: 352: 348: 342: 338: 328: 325: 324: 311: 306: 299: 294: 287: 282: 275: 270: 263: 258: 251: 246: 243: 237: 232: 231: 225: 223: 219: 215: 211: 207: 202: 200: 196: 192: 188: 184: 179: 177: 173: 170: 166: 162: 158: 148: 146: 142: 138: 134: 130: 126: 122: 118: 114: 102: 96: 92: 89: 86: 84: 80: 77: 74: 72: 68: 65: 62: 60: 56: 53: 50: 48: 44: 39: 34: 27: 22: 17: 1243:Back anatomy 1113:Gap junction 1035:Motor neuron 829:Axon hillock 805:nerve fibers 759:Schwann cell 669: 652: 635: 630: 548:Medium spiny 461:White matter 449:Tissue Types 388: 359:. Retrieved 355:the original 350: 341: 327:Ventral root 203: 193:to form the 180: 159:part of the 154: 137:spinal nerve 133:ventral root 121:sensory root 120: 116: 112: 110: 64:A14.2.00.030 51: 1128:Active zone 1093:Termination 943:Interneuron 847:Telodendron 755:Myelination 737:Endoneurium 732:Perineurium 553:Interneuron 543:Von Economo 491:Decussation 486:Nerve tract 456:Grey matter 172:cell bodies 161:spinal cord 125:spinal cord 41:Identifiers 1237:Categories 1198:Nociceptor 938:Multipolar 887:Nissl body 764:Neurilemma 727:Epineurium 512:Cell Types 361:2021-05-06 333:References 187:myelinated 1213:Hair cell 747:Neuroglia 709:Funiculus 598:Microglia 571:Astrocyte 528:Pyramidal 481:Lemniscus 157:posterior 151:Structure 998:Ia or Aα 928:Unipolar 877:Dendrite 862:Axolemma 857:Axoplasm 641:Ganglion 581:Tanycyte 533:Purkinje 520:Neuronal 503:Meninges 498:Neuropil 321:See also 212:through 145:afferent 1140:Autapse 1101:Synapse 948:Renshaw 923:Bipolar 800:Neurons 653:Ventral 624:General 538:Granule 197:in the 183:lateral 174:of the 141:sensory 36:Details 993:fibers 631:Dorsal 916:Types 813:Parts 682:White 663:Ramus 646:Ramus 563:Glial 176:nerve 99:[ 47:Latin 839:Axon 821:Soma 677:Gray 658:Root 636:Root 181:The 115:(or 111:The 88:5980 76:6146 59:TA98 1053:SVE 1048:GVE 1043:GSE 988:SVA 983:SSA 978:GVA 973:GSA 616:PNS 441:CNS 119:or 83:FMA 71:TA2 1239:: 757:: 385:." 349:. 214:S5 210:C2 201:. 1111:/ 1032:/ 962:/ 899:/ 802:/ 700:) 691:( 425:e 418:t 411:v 364:. 103:]

Index


Latin
TA98
A14.2.00.030
TA2
6146
FMA
5980
Anatomical terminology
edit on Wikidata
spinal cord
dorsal root ganglion
ventral root
spinal nerve
sensory
afferent
posterior
spinal cord
dorsal root ganglion
pseudo-unipolar
cell bodies
nerve
lateral
myelinated
anterior white commissure
anterolateral system
lateral funiculus
proprioception
C2
S5

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