Knowledge

Muscular layer

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1803: 182: 524: 37: 1823: 317: 1263: 598: 153: 149: 145: 141: 137: 133: 129: 125: 121: 117: 113: 109: 105: 101: 97: 93: 89: 85: 393:, there are three layers to the muscular layer. Stomach contains an additional oblique muscle layer just interior to circular muscle layer. 1726: 310: 1721: 560: 420:, the smooth muscle orientation is opposite that of the GI tract. There is an inner longitudinal and an outer circular layer. 510:(myenteric nerve plexus) is found between longitudinal and circular muscle layers, it starts muscle contractions to initiate 303: 862: 620: 1256: 591: 756: 761: 1523: 1763: 1533: 1528: 1249: 584: 573: – Histology Learning System at Boston University — "Muscle Tissue: smooth muscle, muscularis externa" 1690: 1615: 1495: 1391: 467:, the fibres of the external longitudinal smooth muscle layer are collected into three longitudinal bands, the 1421: 936: 576: 17: 1475: 1381: 413:
of the spermatic cord, there are three layers: inner longitudinal, middle circular, and outer longitudinal.
1733: 1793: 1513: 1112: 846: 478:(triple layered) and thus maximum peristalsis occurs in the stomach. Thinnest muscularis layer in the 1828: 1708: 1685: 1592: 499: 1540: 1416: 1350: 1170: 1165: 1160: 677: 564: 456: 1641: 1545: 1328: 951: 946: 941: 692: 687: 608: 429: 160: 80: 1743: 1396: 1188: 650: 208: 194: 570: 554: 548: 1605: 1041: 908: 655: 645: 261: 256: 8: 1768: 1713: 1470: 1465: 1401: 1386: 956: 660: 1802: 1753: 1436: 1230: 1087: 1031: 841: 670: 637: 1748: 1550: 1365: 1092: 886: 534: 445: 1824:
Knowledge articles incorporating text from the 20th edition of Gray's Anatomy (1918)
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in many organs in the vertebrate body, adjacent to the
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However, there are some exceptions to this pattern.
48:, showing the thick muscular layers surrounding the 424:The inner layer of the muscularis externa forms a 362:. The Latin, tunica muscularis, may also be used. 1271: 1815: 474:The thickest muscularis layer is found in the 1257: 592: 358:. It is responsible for gut movement such as 311: 494:The muscularis layer is responsible for the 1264: 1250: 599: 585: 557:- BioWeb at University of Wisconsin System 551:- BioWeb at University of Wisconsin System 318: 304: 35: 14: 1816: 528:This article incorporates text in the 189:This article is one of a series on the 1245: 580: 486:, where minimum peristalsis occurs. 24: 25: 1840: 542: 1801: 522: 180: 555:Smooth muscle layers of the gut 549:Muscularis externa of the colon 1616:Extraglomerular mesangial cell 1496:Intraglomerular mesangial cell 13: 1: 517: 370:It usually has two layers of 1476:Glomerular basement membrane 406:, rather than smooth muscle. 365: 7: 847:Enterochromaffin-like cells 489: 10: 1845: 1514:Proximal convoluted tubule 1709:Internal urethral orifice 1699: 1686:Median umbilical ligament 1650: 1632: 1593:Juxtaglomerular apparatus 1591: 1504: 1456: 1447: 1364: 1289: 1280: 1187: 1126: 1103: 1040: 1022: 1013: 981: 965: 927: 879: 870: 861: 744: 706: 628: 619: 571:Histology image: 11601ooa 400:, part of the externa is 159: 79: 67: 62: 57: 34: 29: 1541:Distal convoluted tubule 532:from the 20th edition of 428:at two locations of the 381:outer and "longitudinal" 1417:Peritubular capillaries 1171:External anal sphincter 1166:Intersphincteric groove 1161:Internal anal sphincter 678:Pterygomandibular raphe 508:Auerbach's nerve plexus 457:internal anal sphincter 1642:Ureteropelvic junction 1546:Collecting duct system 1329:medullary interstitium 952:Duodenojejunal flexure 947:Minor duodenal papilla 942:Major duodenal papilla 693:Pharyngobasilar fascia 688:Buccopharyngeal fascia 609:gastrointestinal tract 561:UIUC Histology Subject 500:segmental contractions 430:gastrointestinal tract 161:Anatomical terminology 1606:Juxtaglomerular cells 909:Enteroendocrine cells 496:peristaltic movements 195:Gastrointestinal wall 378:inner and "circular" 1769:Lacunae of Morgagni 1714:Urethral sphincters 842:Gastric chief cells 229:Longitudinal muscle 348:muscularis externa 344:muscularis propria 1789: 1788: 1628: 1627: 1624: 1623: 1551:Connecting tubule 1239: 1238: 1231:Muscularis mucosa 1183: 1182: 1179: 1178: 1093:epiploic appendix 1009: 1008: 937:Suspensory muscle 899:Intestinal glands 857: 856: 446:pyloric sphincter 350:) is a region of 328: 327: 262:Auerbach's plexus 257:Meissner's plexus 203:General structure 175: 174: 170: 74:tunica muscularis 16:(Redirected from 1836: 1829:Membrane biology 1806: 1805: 1797: 1663:Vesical arteries 1486:Filtration slits 1471:Bowman's capsule 1454: 1453: 1287: 1286: 1266: 1259: 1252: 1243: 1242: 1113:Transverse folds 1070:Descending colon 1060:Transverse colon 1020: 1019: 974:No substructures 957:Brunner's glands 887:Intestinal villi 877: 876: 868: 867: 767:Angular incisure 683:Pharyngeal raphe 651:retropharyngeal 626: 625: 611:, excluding the 601: 594: 587: 578: 577: 526: 525: 504:alimentary canal 482:is found in the 480:alimentary canal 320: 313: 306: 184: 177: 176: 167:edit on Wikidata 164: 39: 27: 26: 21: 1844: 1843: 1839: 1838: 1837: 1835: 1834: 1833: 1814: 1813: 1812: 1800: 1792: 1790: 1785: 1764:navicular fossa 1695: 1681:Detrusor muscle 1646: 1620: 1587: 1534:Thick ascending 1500: 1458:Renal corpuscle 1443: 1360: 1346:Cortical lobule 1276: 1272:Anatomy of the 1270: 1240: 1235: 1175: 1122: 1099: 1065:Splenic flexure 1055:Hepatic flexure 1050:Ascending colon 1036: 1015:Large intestine 1005: 1001:Microfold cells 996:Peyer's patches 991:Ileocecal valve 977: 961: 923: 872:Small intestine 853: 740: 702: 656:parapharyngeal 646:peripharyngeal 615: 607:Anatomy of the 605: 545: 523: 520: 492: 455:, it forms the 444:, it forms the 403:skeletal muscle 368: 340:muscular fibers 324: 295: 294: 275: 267: 266: 252: 244: 243: 224:Circular muscle 204: 171: 152: 148: 144: 140: 136: 132: 128: 124: 120: 116: 112: 108: 104: 100: 96: 92: 88: 53: 44:section of the 23: 22: 15: 12: 11: 5: 1842: 1832: 1831: 1826: 1811: 1810: 1787: 1786: 1784: 1783: 1781:Urinary meatus 1778: 1777: 1776: 1774:urethral gland 1771: 1766: 1761: 1756: 1751: 1746: 1738: 1737: 1736: 1731: 1730: 1729: 1724: 1711: 1705: 1703: 1697: 1696: 1694: 1693: 1688: 1683: 1678: 1677: 1676: 1673:Vaginal artery 1670: 1665: 1656: 1654: 1648: 1647: 1645: 1644: 1638: 1636: 1630: 1629: 1626: 1625: 1622: 1621: 1619: 1618: 1613: 1608: 1603: 1597: 1595: 1589: 1588: 1586: 1585: 1580: 1575: 1570: 1565: 1560: 1559: 1558: 1556:Papillary duct 1553: 1543: 1538: 1537: 1536: 1531: 1529:Thin ascending 1526: 1516: 1510: 1508: 1502: 1501: 1499: 1498: 1493: 1488: 1483: 1478: 1473: 1468: 1462: 1460: 1451: 1445: 1444: 1442: 1441: 1440: 1439: 1434: 1429: 1424: 1419: 1414: 1406: 1405: 1404: 1399: 1394: 1389: 1384: 1379: 1370: 1368: 1362: 1361: 1359: 1358: 1353: 1348: 1343: 1338: 1333: 1332: 1331: 1326: 1316: 1315: 1314: 1304: 1299: 1293: 1291: 1284: 1278: 1277: 1274:urinary system 1269: 1268: 1261: 1254: 1246: 1237: 1236: 1234: 1233: 1228: 1223: 1221:Circular folds 1218: 1213: 1211:Muscular layer 1208: 1203: 1193: 1191: 1185: 1184: 1181: 1180: 1177: 1176: 1174: 1173: 1168: 1163: 1158: 1156:Pectinate line 1153: 1148: 1143: 1138: 1132: 1130: 1124: 1123: 1121: 1120: 1115: 1109: 1107: 1101: 1100: 1098: 1097: 1096: 1095: 1090: 1085: 1077: 1072: 1067: 1062: 1057: 1052: 1046: 1044: 1038: 1037: 1035: 1034: 1028: 1026: 1017: 1011: 1010: 1007: 1006: 1004: 1003: 998: 993: 987: 985: 979: 978: 976: 975: 971: 969: 963: 962: 960: 959: 954: 949: 944: 939: 933: 931: 925: 924: 922: 921: 916: 911: 906: 901: 896: 895: 894: 883: 881: 874: 865: 859: 858: 855: 854: 852: 851: 850: 849: 844: 839: 837:Parietal cells 834: 832:Foveolar cells 829: 827:Pyloric glands 824: 819: 817:Cardiac glands 814: 812:Gastric glands 809: 801: 796: 794:Gastric mucosa 791: 786: 781: 776: 771: 770: 769: 764: 759: 750: 748: 742: 741: 739: 738: 733: 728: 727: 726: 721: 712: 710: 704: 703: 701: 700: 698:Pyriform sinus 695: 690: 685: 680: 675: 674: 673: 668: 663: 661:retrovisceral 658: 653: 648: 640: 634: 632: 623: 617: 616: 604: 603: 596: 589: 581: 575: 574: 568: 558: 552: 544: 543:External links 541: 535:Gray's Anatomy 519: 516: 491: 488: 461: 460: 449: 422: 421: 414: 407: 394: 383: 382: 379: 367: 364: 332:muscular layer 326: 325: 323: 322: 315: 308: 300: 297: 296: 293: 292: 287: 282: 276: 273: 272: 269: 268: 265: 264: 259: 253: 250: 249: 246: 245: 242: 241: 236: 231: 226: 221: 216: 211: 205: 202: 201: 198: 197: 191: 190: 186: 185: 173: 172: 163: 157: 156: 83: 77: 76: 71: 65: 64: 60: 59: 55: 54: 40: 32: 31: 30:Muscular layer 9: 6: 4: 3: 2: 1841: 1830: 1827: 1825: 1822: 1821: 1819: 1809: 1804: 1799: 1798: 1795: 1782: 1779: 1775: 1772: 1770: 1767: 1765: 1762: 1760: 1757: 1755: 1752: 1750: 1747: 1745: 1744:pre-prostatic 1742: 1741: 1740:Male urethra 1739: 1735: 1732: 1728: 1725: 1723: 1720: 1719: 1717: 1716: 1715: 1712: 1710: 1707: 1706: 1704: 1702: 1698: 1692: 1689: 1687: 1684: 1682: 1679: 1674: 1671: 1669: 1668:Vesical veins 1666: 1664: 1661: 1660: 1658: 1657: 1655: 1653: 1649: 1643: 1640: 1639: 1637: 1635: 1631: 1617: 1614: 1612: 1609: 1607: 1604: 1602: 1599: 1598: 1596: 1594: 1590: 1584: 1581: 1579: 1576: 1574: 1571: 1569: 1568:Renal papilla 1566: 1564: 1563:Tubular fluid 1561: 1557: 1554: 1552: 1549: 1548: 1547: 1544: 1542: 1539: 1535: 1532: 1530: 1527: 1525: 1522: 1521: 1520: 1519:Loop of Henle 1517: 1515: 1512: 1511: 1509: 1507: 1503: 1497: 1494: 1492: 1489: 1487: 1484: 1482: 1479: 1477: 1474: 1472: 1469: 1467: 1464: 1463: 1461: 1459: 1455: 1452: 1450: 1446: 1438: 1435: 1433: 1430: 1428: 1425: 1423: 1420: 1418: 1415: 1413: 1410: 1409: 1407: 1403: 1400: 1398: 1395: 1393: 1390: 1388: 1385: 1383: 1380: 1378: 1375: 1374: 1372: 1371: 1369: 1367: 1363: 1357: 1354: 1352: 1351:Medullary ray 1349: 1347: 1344: 1342: 1339: 1337: 1334: 1330: 1327: 1325: 1322: 1321: 1320: 1317: 1313: 1310: 1309: 1308: 1305: 1303: 1300: 1298: 1295: 1294: 1292: 1288: 1285: 1283: 1279: 1275: 1267: 1262: 1260: 1255: 1253: 1248: 1247: 1244: 1232: 1229: 1227: 1224: 1222: 1219: 1217: 1214: 1212: 1209: 1207: 1204: 1202: 1198: 1195: 1194: 1192: 1190: 1186: 1172: 1169: 1167: 1164: 1162: 1159: 1157: 1154: 1152: 1149: 1147: 1144: 1142: 1139: 1137: 1134: 1133: 1131: 1129: 1125: 1119: 1116: 1114: 1111: 1110: 1108: 1106: 1102: 1094: 1091: 1089: 1086: 1084: 1081: 1080: 1078: 1076: 1075:Sigmoid colon 1073: 1071: 1068: 1066: 1063: 1061: 1058: 1056: 1053: 1051: 1048: 1047: 1045: 1043: 1039: 1033: 1030: 1029: 1027: 1025: 1021: 1018: 1016: 1012: 1002: 999: 997: 994: 992: 989: 988: 986: 984: 980: 973: 972: 970: 968: 964: 958: 955: 953: 950: 948: 945: 943: 940: 938: 935: 934: 932: 930: 926: 920: 917: 915: 912: 910: 907: 905: 902: 900: 897: 893: 890: 889: 888: 885: 884: 882: 878: 875: 873: 869: 866: 864: 860: 848: 845: 843: 840: 838: 835: 833: 830: 828: 825: 823: 822:Fundic glands 820: 818: 815: 813: 810: 808: 805: 804: 803:Microanatomy 802: 800: 799:Gastric folds 797: 795: 792: 790: 787: 785: 782: 780: 777: 775: 772: 768: 765: 763: 760: 758: 755: 754: 752: 751: 749: 747: 743: 737: 734: 732: 729: 725: 722: 720: 717: 716: 714: 713: 711: 709: 705: 699: 696: 694: 691: 689: 686: 684: 681: 679: 676: 672: 669: 667: 664: 662: 659: 657: 654: 652: 649: 647: 644: 643: 641: 639: 636: 635: 633: 631: 627: 624: 622: 618: 614: 610: 602: 597: 595: 590: 588: 583: 582: 579: 572: 569: 567: 566: 562: 559: 556: 553: 550: 547: 546: 540: 539: 536: 533: 531: 530:public domain 515: 513: 509: 505: 501: 497: 487: 485: 481: 477: 472: 470: 466: 458: 454: 450: 447: 443: 439: 435: 434: 433: 431: 427: 419: 415: 412: 408: 405: 404: 399: 396:In the upper 395: 392: 388: 387: 386: 380: 377: 376: 375: 373: 372:smooth muscle 363: 361: 357: 353: 349: 345: 341: 337: 336:muscular coat 333: 321: 316: 314: 309: 307: 302: 301: 299: 298: 291: 288: 286: 283: 281: 278: 277: 271: 270: 263: 260: 258: 255: 254: 248: 247: 240: 237: 235: 232: 230: 227: 225: 222: 220: 217: 215: 212: 210: 207: 206: 200: 199: 196: 193: 192: 188: 187: 183: 179: 178: 168: 162: 158: 155: 151: 147: 143: 139: 135: 131: 127: 123: 119: 115: 111: 107: 103: 99: 95: 91: 87: 84: 82: 78: 75: 72: 70: 66: 61: 56: 51: 47: 43: 38: 33: 28: 19: 18:Muscular coat 1754:intermediate 1659:Circulation 1601:Macula densa 1583:Renal pelvis 1506:Renal tubule 1397:interlobular 1377:Renal artery 1210: 1151:Anal sinuses 1141:Anal columns 919:Paneth cells 914:Goblet cells 880:Microanatomy 807:Gastric pits 671:prevertebral 563: 537: 527: 521: 493: 473: 462: 423: 411:vas deferens 401: 384: 369: 347: 343: 339: 335: 331: 329: 228: 223: 154:A09.4.02.027 150:A09.4.02.018 146:A09.3.06.003 142:A09.4.02.011 138:A09.3.05.009 134:A09.2.03.007 130:A09.1.04.010 126:A09.1.02.012 122:A08.3.01.010 118:A08.2.01.006 114:A08.1.05.010 110:A05.8.02.008 106:A05.7.04.009 102:A05.7.03.011 98:A05.7.01.004 94:A05.6.01.004 90:A05.5.01.021 86:A05.4.01.010 73: 42:Histological 1578:Major calyx 1573:Minor calyx 1366:Circulation 1146:Anal valves 1083:taenia coli 1079:Continuous 904:Enterocytes 753:Curvatures 715:Sphincters 512:peristalsis 502:in and the 469:teniae coli 360:peristalsis 63:Identifiers 1818:Categories 1524:Descending 1466:Glomerulus 1432:interlobar 1422:Vasa recta 1412:Renal vein 1387:interlobar 1201:Adventitia 1128:Anal canal 892:Microvilli 518:References 453:anal canal 290:Intestines 239:Adventitia 209:Epithelium 1749:prostatic 1718:External 1611:Mesangium 1491:Mesangium 1382:segmental 1373:Arteries 1216:Submucosa 1206:Subserosa 708:Esophagus 426:sphincter 398:esophagus 366:Structure 356:submucosa 280:Esophagus 219:Submucosa 1734:Internal 1675:(female) 1481:Podocyte 1437:efferent 1402:afferent 1324:pyramids 1032:Appendix 929:Duodenum 490:Function 251:Specific 1808:Anatomy 1701:Urethra 1691:Trigone 1652:Bladder 1634:Ureters 1449:Nephron 1427:arcuate 1392:arcuate 1356:Nephron 1319:Medulla 1302:Capsule 1282:Kidneys 1118:Ampulla 1088:haustra 967:Jejunum 789:Pylorus 757:greater 746:Stomach 642:Spaces 638:Muscles 630:Pharynx 476:stomach 463:In the 451:in the 442:stomach 440:of the 438:pylorus 436:in the 416:In the 409:In the 391:stomach 389:In the 285:Stomach 58:Details 1794:Portal 1759:spongy 1727:female 1408:Veins 1312:column 1307:Cortex 1297:Fascia 1290:Layers 1226:Mucosa 1197:Serosa 1105:Rectum 784:Fundus 774:Cardia 762:lesser 731:glands 666:danger 538:(1918) 506:. The 498:and 484:rectum 418:ureter 352:muscle 274:Organs 234:Serosa 214:Mucosa 46:ureter 1336:Sinus 1042:Colon 1024:Cecum 983:Ileum 863:Lower 724:lower 719:upper 621:Upper 613:mouth 465:colon 165:[ 69:Latin 50:lumen 1722:male 1341:Lobe 1189:Wall 1136:Anus 779:Body 736:crop 330:The 81:TA98 1820:: 1199:/ 565:23 514:. 471:. 432:: 374:: 346:, 342:, 338:, 1796:: 1265:e 1258:t 1251:v 600:e 593:t 586:v 459:. 448:. 334:( 319:e 312:t 305:v 169:] 52:. 20:)

Index

Muscular coat

Histological
ureter
lumen
Latin
TA98
A05.4.01.010
A05.5.01.021
A05.6.01.004
A05.7.01.004
A05.7.03.011
A05.7.04.009
A05.8.02.008
A08.1.05.010
A08.2.01.006
A08.3.01.010
A09.1.02.012
A09.1.04.010
A09.2.03.007
A09.3.05.009
A09.4.02.011
A09.3.06.003
A09.4.02.018
A09.4.02.027
Anatomical terminology
edit on Wikidata

Gastrointestinal wall
Epithelium

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