Knowledge

Crus of diaphragm

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430: 218: 29: 197:, and more especially those from the ribs and their cartilages, are longer, and describe marked curves as they ascend and converge to their insertion. The fibers of the crura diverge as they ascend, the most lateral being directed upward and lateralward to the central tendon. 450: 102:. There is a right crus and a left crus, which together form a tether for muscular contraction. They take their name from their leg-shaped appearance – 246: 163:
The medial tendinous margins of the crura pass anteriorly and medialward, and meet in the middle line to form an arch across the front of the
274: 204:, and occasionally a fasciculus of the left crus crosses the aorta and runs obliquely through the fibers of the right crus toward the 267: 455: 145: 129: 121: 460: 301: 260: 179: 227: 420: 326: 194: 249:
at Human Anatomy Online, SUNY Downstate Medical Center - "The abdominal surface of the diaphragm."
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From this series of origins the fibers of the diaphragm converge to be inserted into the
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Knowledge articles incorporating text from the 20th edition of Gray's Anatomy (1918)
149: 133: 125: 99: 186: 171:; this arch is often poorly defined. The area behind this arch is known as the 434: 444: 377: 367: 223: 172: 159:
arises from the corresponding parts of the upper two lumbar vertebrae only.
144:, larger and longer than the left, arises from the front of the bodies and 190: 71: 252: 104: 200:
The medial fibers of the right crus ascend on the left side of the
37:. Under surface. (Left crus and right crus are at bottom center.)+ 91: 164: 53: 28: 59:
crus sinistrum diaphragmatis, crus dextrum diaphragmatis
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The crura originate from the front of the bodies and
442: 268: 275: 261: 27: 128:. They are tendinous and blend with the 443: 282: 222:This article incorporates text in the 256: 87: 13: 94:structures that extends below the 14: 472: 240: 189:are very short, and occasionally 428: 216: 90:: crura), refers to one of two 146:intervertebral fibrocartilages 130:anterior longitudinal ligament 1: 211: 122:intervertebral fibrocartilage 193:; those from the medial and 185:The fibers arising from the 115: 7: 230:of the 20th edition of 10: 477: 195:lateral lumbocostal arches 387: 356: 349: 315: 297: 290: 64: 52: 47: 42: 26: 21: 247:Anatomy figure: 40:04-16 169:median arcuate ligament 456:Ligaments of the torso 66:Anatomical terminology 399:Sternocostal triangle 404:Lumbocostal triangle 16:Anatomical structure 148:of the upper three 461:Thoracic diaphragm 284:Thoracic diaphragm 206:vena caval foramen 416: 415: 412: 411: 373:Esophageal hiatus 345: 344: 318:arcuate ligaments 307:Crus of diaphragm 202:esophageal hiatus 84:crus of diaphragm 80: 79: 75: 22:Crus of diaphragm 468: 433: 432: 424: 392: 361: 354: 353: 320: 295: 294: 277: 270: 263: 254: 253: 220: 219: 150:lumbar vertebrae 134:vertebral column 126:lumbar vertebrae 100:vertebral column 89: 72:edit on Wikidata 69: 31: 19: 18: 476: 475: 471: 470: 469: 467: 466: 465: 441: 440: 439: 427: 419: 417: 408: 388: 383: 380: 357: 341: 316: 311: 286: 281: 243: 217: 214: 187:xiphoid process 118: 76: 38: 17: 12: 11: 5: 474: 464: 463: 458: 453: 438: 437: 414: 413: 410: 409: 407: 406: 401: 395: 393: 385: 384: 382: 381: 375: 370: 364: 362: 351: 347: 346: 343: 342: 340: 339: 334: 329: 323: 321: 313: 312: 310: 309: 304: 302:Central tendon 298: 292: 288: 287: 280: 279: 272: 265: 257: 251: 250: 242: 241:External links 239: 233:Gray's Anatomy 213: 210: 180:central tendon 161: 160: 153: 117: 114: 78: 77: 68: 62: 61: 56: 50: 49: 45: 44: 40: 39: 32: 24: 23: 15: 9: 6: 4: 3: 2: 473: 462: 459: 457: 454: 452: 449: 448: 446: 436: 431: 426: 425: 422: 405: 402: 400: 397: 396: 394: 391: 386: 379: 378:Aortic hiatus 376: 374: 371: 369: 368:Caval opening 366: 365: 363: 360: 355: 352: 348: 338: 335: 333: 330: 328: 325: 324: 322: 319: 314: 308: 305: 303: 300: 299: 296: 293: 289: 285: 278: 273: 271: 266: 264: 259: 258: 255: 248: 245: 244: 238: 237: 234: 231: 229: 225: 224:public domain 209: 207: 203: 198: 196: 192: 188: 183: 181: 176: 174: 173:aortic hiatus 170: 167:known as the 166: 158: 154: 151: 147: 143: 139: 138: 137: 135: 131: 127: 123: 113: 111: 107: 106: 101: 97: 93: 85: 73: 67: 63: 60: 57: 55: 51: 46: 41: 36: 30: 25: 20: 389: 358: 317: 306: 235: 221: 215: 199: 184: 177: 162: 156: 141: 119: 109: 103: 83: 81: 58: 191:aponeurotic 48:Identifiers 445:Categories 212:References 142:right crus 112:in Latin. 157:left crus 116:Structure 96:diaphragm 92:tendinous 35:diaphragm 350:Openings 228:page 405 108:meaning 435:Anatomy 327:Lateral 291:General 132:of the 124:of the 98:to the 43:Details 421:Portal 390:minor: 359:major: 337:Median 332:Medial 236:(1918) 226:from 165:aorta 70:[ 54:Latin 155:The 140:The 105:crus 82:The 33:The 110:leg 88:pl. 447:: 208:. 182:. 175:. 136:. 423:: 276:e 269:t 262:v 152:. 86:( 74:]

Index


diaphragm
Latin
Anatomical terminology
edit on Wikidata
tendinous
diaphragm
vertebral column
crus
intervertebral fibrocartilage
lumbar vertebrae
anterior longitudinal ligament
vertebral column
intervertebral fibrocartilages
lumbar vertebrae
aorta
median arcuate ligament
aortic hiatus
central tendon
xiphoid process
aponeurotic
lateral lumbocostal arches
esophageal hiatus
vena caval foramen
public domain
page 405
Gray's Anatomy
Anatomy figure: 40:04-16
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