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Granulation tissue

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and microscopic blood vessels that form on the surfaces of a wound during the healing process. Granulation tissue typically grows from the base of a wound and is able to fill wounds of almost any size. Examples of granulation tissue can be seen in
438:, and protect the healing tissue from pathogenic infection. This is necessary both to aid the healing process and to protect against invading pathogens, as the wound often does not have an effective skin barrier to act as a first line of defense. 512:
It is necessary for a network of blood vessels to be established as soon as possible to provide the growing tissue with nutrients, to take away cellular wastes, and transport new leukocytes to the area.
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Granulation tissue is composed of tissue matrix supporting a variety of cell types, most of which can be associated with one of the following functions:
682: 320: 770: 473: 379: 281: 56: 612: 499: 405: 307: 122: 103: 336:, a weaker form of the structural protein that can be produced rapidly. This is later replaced by the stronger, long-stranded 75: 477: 383: 285: 60: 765: 651: 82: 737: 27: 581: 675: 151:. Its histological appearance is characterized by proliferation of fibroblasts and thin-walled, delicate capillaries ( 462: 368: 270: 627: 89: 481: 466: 387: 372: 289: 274: 49: 71: 324:
Histopathology of granulation tissue at 11 days after injury, showing fibroblasts, hemorrhage and lymphocytes.
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The extracellular matrix of granulation tissue is created and modified by
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light red or dark pink, being perfused with new capillary loops or "buds";
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Example of granulation tissue from a cut on a finger with "proud flesh".
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Initially, it consists of a network of 16:New tissue that forms on a wound's surface 500:Learn how and when to remove this message 406:Learn how and when to remove this message 308:Learn how and when to remove this message 123:Learn how and when to remove this message 565: 188:bumpy (granular) in appearance, due to 555:is seen in green box at days to weeks. 584:from the original on 16 November 2018 7: 478:adding citations to reliable sources 384:adding citations to reliable sources 286:adding citations to reliable sources 61:adding citations to reliable sources 14: 430:are also present. These work to 236:An excess of granulation tissue ( 524:In vascularisation, also called 450: 356: 258: 37: 574:"Granulation Tissue Definition" 48:needs additional citations for 171:During the migratory phase of 1: 553:Granulation tissue formation 28:Proud Flesh (disambiguation) 650:Reference list is found on 605:Srb's Manual of Surgery, 4e 789: 771:Connective tissue diseases 247: 25: 18: 698: 175:, granulation tissue is: 19:Not to be confused with 556: 325: 202:painless when healthy; 168: 603:Bhat, Sriram (2013). 546: 323: 166: 766:Anatomical pathology 540:with other vessels. 519:extracellular matrix 474:improve this section 380:improve this section 282:improve this section 250:Extracellular matrix 244:Extracellular matrix 217:extracellular matrix 190:punctate hemorrhages 72:"Granulation tissue" 57:improve this article 639:Tuskegee University 145:pyogenic granulomas 713:Granulation tissue 633:2010-09-27 at the 628:Healing and Repair 557: 340:, as evidenced in 326: 182:soft to the touch; 169: 136:Granulation tissue 753: 752: 530:endothelial cells 510: 509: 502: 426:, although other 416: 415: 408: 334:type-III collagen 318: 317: 310: 222:operation of the 140:connective tissue 133: 132: 125: 107: 778: 685: 678: 671: 662: 655: 648: 642: 625: 619: 618: 600: 594: 593: 591: 589: 570: 505: 498: 494: 491: 485: 454: 446: 411: 404: 400: 397: 391: 360: 352: 313: 306: 302: 299: 293: 262: 254: 128: 121: 117: 114: 108: 106: 65: 41: 33: 788: 787: 781: 780: 779: 777: 776: 775: 756: 755: 754: 749: 738:Intussusception 694: 689: 659: 658: 652:image main page 649: 645: 635:Wayback Machine 626: 622: 615: 602: 601: 597: 587: 585: 572: 571: 567: 562: 506: 495: 489: 486: 471: 455: 444: 442:Vascularization 434:old or damaged 412: 401: 395: 392: 377: 361: 350: 338:type-I collagen 314: 303: 297: 294: 279: 263: 252: 246: 230:vascularisation 209: 161: 129: 118: 112: 109: 66: 64: 54: 42: 31: 24: 17: 12: 11: 5: 786: 785: 782: 774: 773: 768: 758: 757: 751: 750: 748: 747: 745:Vasculogenesis 742: 741: 740: 730: 725: 720: 715: 710: 708:Maggot therapy 705: 699: 696: 695: 690: 688: 687: 680: 673: 665: 657: 656: 643: 620: 613: 595: 564: 563: 561: 558: 508: 507: 458: 456: 449: 443: 440: 414: 413: 364: 362: 355: 349: 346: 316: 315: 266: 264: 257: 248:Main article: 245: 242: 238:caro luxurians 234: 233: 227: 220: 208: 205: 204: 203: 200: 193: 186: 183: 180: 160: 157: 131: 130: 45: 43: 36: 15: 13: 10: 9: 6: 4: 3: 2: 784: 783: 772: 769: 767: 764: 763: 761: 746: 743: 739: 736: 735: 734: 731: 729: 726: 724: 721: 719: 718:Growth factor 716: 714: 711: 709: 706: 704: 701: 700: 697: 693: 692:Wound healing 686: 681: 679: 674: 672: 667: 666: 663: 653: 647: 644: 640: 636: 632: 629: 624: 621: 616: 614:9789350259443 610: 606: 599: 596: 583: 579: 575: 569: 566: 559: 554: 550: 549:wound healing 545: 541: 539: 535: 534:blood vessels 531: 527: 522: 520: 516: 504: 501: 493: 490:February 2024 483: 479: 475: 469: 468: 464: 459:This section 457: 453: 448: 447: 441: 439: 437: 433: 429: 425: 421: 410: 407: 399: 396:February 2024 389: 385: 381: 375: 374: 370: 365:This section 363: 359: 354: 353: 347: 345: 343: 339: 335: 331: 322: 312: 309: 301: 298:February 2024 291: 287: 283: 277: 276: 272: 267:This section 265: 261: 256: 255: 251: 243: 241: 239: 231: 228: 225: 224:immune system 221: 218: 215:formation of 214: 213: 212: 206: 201: 198: 195:pulsatile on 194: 191: 187: 184: 181: 178: 177: 176: 174: 173:wound healing 165: 158: 156: 154: 150: 146: 141: 137: 127: 124: 116: 105: 102: 98: 95: 91: 88: 84: 81: 77: 74: –  73: 69: 68:Find sources: 62: 58: 52: 51: 46:This article 44: 40: 35: 34: 29: 22: 733:Angiogenesis 712: 646: 623: 604: 598: 586:. Retrieved 577: 568: 552: 526:angiogenesis 523: 511: 496: 487: 472:Please help 460: 417: 402: 393: 378:Please help 366: 327: 304: 295: 280:Please help 268: 237: 235: 210: 170: 153:angiogenesis 135: 134: 119: 110: 100: 93: 86: 79: 67: 55:Please help 50:verification 47: 538:anastomoses 515:Fibroblasts 432:phagocytize 424:neutrophils 420:macrophages 330:fibroblasts 149:pulp polyps 760:Categories 588:25 October 560:References 428:leukocytes 159:Appearance 83:newspapers 728:Stem cell 461:does not 367:does not 269:does not 207:Structure 197:palpation 21:Granuloma 703:Fibrosis 631:Archived 582:Archived 348:Immunity 344:tissue. 113:May 2020 641:website 578:Memidex 482:removed 467:sources 388:removed 373:sources 290:removed 275:sources 138:is new 97:scholar 611:  436:tissue 185:moist; 99:  92:  85:  78:  70:  104:JSTOR 90:books 723:Scar 609:ISBN 590:2014 465:any 463:cite 422:and 371:any 369:cite 342:scar 273:any 271:cite 147:and 76:news 476:by 382:by 284:by 59:by 762:: 580:. 576:. 528:, 521:. 684:e 677:t 670:v 654:. 617:. 592:. 503:) 497:( 492:) 488:( 484:. 470:. 409:) 403:( 398:) 394:( 390:. 376:. 311:) 305:( 300:) 296:( 292:. 278:. 232:; 226:; 219:; 199:; 192:; 126:) 120:( 115:) 111:( 101:· 94:· 87:· 80:· 53:. 30:. 23:.

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Granuloma
Proud Flesh (disambiguation)

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"Granulation tissue"
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connective tissue
pyogenic granulomas
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wound healing
punctate hemorrhages
palpation
extracellular matrix
immune system
vascularisation
Extracellular matrix

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