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Dura mater

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middle meningeal artery is a direct branch from the maxillary artery and enter the cranial cavity through the foramen spinosum and then divides into anterior (which runs usually in vertical direction across the pterion) and posterior (which runs posterosuperiorly) branches, while the accessory meningeal arteries (which are branches from the maxillary artery) enter the skull through foramen ovale and supply area between the two foramina, and the in posterior cranial fossa the dura mater has numerous blood supply from different possible arteries:
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This depends upon the area of the cranial cavity: in the anterior cranial fossa the anterior meningeal artery (branch from the ethmoidal artery) is responsible for blood supply, in the middle cranial fossa the middle meningeal artery and some accessory arteries are responsible for blood supply, the
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is the smallest dural infolding and is a circular sheet of dura that is suspended between the clinoid processes, forming a partial roof over the hypophysial fossa. The sellar diaphragm covers the pituitary gland in this fossa and has an aperture for passage of the infundibulum (pituitary stalk) and
413: 787:, is a condition that was previously thought to be congenital but can be induced by trauma, particularly whiplash trauma. Dural strain may be pulling the cerebellum inferiorly, or skull distortions may be pushing the brain inferiorly. 864: 916: 735:, require that an incision is made to the dura mater. To achieve a watertight repair and avoid potential post-operative complications, the dura is typically closed with 773: 765:
The dura-muscular, dura-ligamentous connections in the upper cervical spine and occipital areas may provide anatomic and physiologic answers to the cause of the
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occurs when there is an abnormal collection of blood between the dura and the arachnoid, usually as a result of torn bridging veins secondary to head trauma. An
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Gagan, Jeffrey R.; Tholpady, Sunil S.; Ogle, Roy C. (2007). "Cellular dynamics and tissue interactions of the dura mater during head development".
876: 739:. If there is a dural deficiency, then a dural substitute may be used to replace this membrane. Small gaps in the dura can be covered with a 684:, which drain the underlying neural tissue and puncture the dura mater, empty into these dural sinuses. A rupture of a bridging vein causes a 1103:
Frank Scali; Eric S. Marsili; Matt E. Pontell (2011). "Anatomical Connection Between the Rectus Capitis Posterior Major and the Dura Mater".
216: 212: 428:), places where the inner dural layer is reflected as sheet-like protrusions into the cranial cavity. There are two main dural reflections: 1214: 841:), literally 'thick mother of the brain', matrix of the brain, and is also referred to by the term "pachymeninx" (plural "pachymeninges"). 1325: 1052:
Keller, Jeffrey T.; Saunders, Mary C.; Beduk, Altay; Jollis, James G. (1985-01-01). "Innervation of the posterior fossa dura of the cat".
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The two layers of dura mater run together throughout most of the skull. Where they separate, the gap between them is called a
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Freeman, MD (2010). "A case-control study of cerebellar tonsillar ectopia (Chiari) and head/neck trauma (whiplash)".
641: 557: 380:); and a deep meningeal layer, which is the true dura mater. The dura mater covering the spinal cord is known as the 277: 676:(the middle meningeal layer), extend into the dural venous sinuses to drain CSF. These villi act as one-way valves. 623: 539: 1779: 1146:
Hack, GD (Dec 1, 1995). "Anatomic relation between the rectus capitis posterior minor muscle and the dura mater".
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to the cervical dura mater. Various clinical manifestations may be linked to this anatomical relationship such as
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Diagrammatic representation of a section across the top of the skull, showing the membranes of the brain, etc.
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is a collection of blood between the dura and the inner surface of the skull, and is usually due to
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A. posterior meningeal artery (from the ascending pharyngeal artery through the jugular foramen)
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The dura mater has several functions and layers. The dura mater is a membrane that envelops the
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The supratentorial dura mater membrane is supplied by small meningeal branches of the
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B. meningeal arteries (from the ascending pharyngeal artery through hypoglossal canal)
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Outermost layer of the protective tissues around the central nervous system (meninges)
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is the enlargement of the dura and is common in connective tissue disorders, such as
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The American Red Cross and some other agencies accepting blood donations consider
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C. meningeal arteries (from occipital artery through jugular or mastoid foramen)
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Spinal cord. Spinal membranes and nerve roots. Deep dissection. Posterior view.
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is the fluid and pressure loss of spinal fluid due to holes in the dura mater.
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Spinal cord. Spinal membranes and nerve roots. Deep dissection. Posterior view
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Two other dural infoldings are the cerebellar falx and the sellar diaphragm:
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Gary D. Hack; Peter Ratiu; John P. Kerr; Gwendolyn F. Dunn; Mi Young Toh.
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D. meningeal arteries (from vertebral artery through foramen magnum)
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In 2011, researchers discovered a connective tissue bridge from the
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cell population, with postnatal contributions of the paraxial
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youtube: exposure of falx cerebri, dura mater & arachnoid
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Sakka, Laurent (2020), "Anatomy of the Spinal Meninges",
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and other symptoms that involved the cervical dura. The
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The Visible Human Project, National Library of Medicine
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bleeding. Intradural procedures, such as removal of a
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Birth Defects Research Part C: Embryo Today: Reviews
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The dura mater extends into the skull cavity as the
127: 124: 95: 92: 78: 1319: 1317: 711:Many medical conditions involve the dura mater. A 1223: 1208:International Red Cross and Red Crescent Movement 969: 2200: 1323: 922:Autopsy. Dura mater is retracted by the forceps. 1314: 1681: 1412: 830: 680:, which course through the dura mater, and 622:. Unsourced material may be challenged and 538:. Unsourced material may be challenged and 400:in the case of traumatic laceration to the 1688: 1674: 1419: 1405: 39: 27: 1917:Posterior column-medial lemniscus pathway 642:Learn how and when to remove this message 558:Learn how and when to remove this message 392:between these two layers is known as the 296:. The other two meningeal layers are the 706: 662:(CSF) from the brain and empty into the 411: 407: 325: 1229: 882:Diagrammatic transverse section of the 2201: 420:The dura separates into two layers at 1669: 1400: 1272: 354:Cranial dura mater has two layers or 1182: 1145: 844: 805:Spontaneous cerebrospinal fluid leak 702:meningeal branch of the vagus nerve. 620:adding citations to reliable sources 587: 536:adding citations to reliable sources 503: 1139: 831: 308:. It is derived primarily from the 13: 14: 2225: 1373: 783:Cerebellar tonsillar ectopia, or 436:exists between and separates the 364:layer that is actually the inner 278:dense irregular connective tissue 1780:Substantia gelatinosa of Rolando 1379: 1160:10.1097/00007632-199512000-00003 915: 903: 891: 875: 863: 851: 658:. These sinuses drain blood and 592: 508: 463:of the brain, is located in the 339:. It surrounds and supports the 120: 74: 1695: 1347: 1266: 1201: 1029:Vinas FC and Pilitsis J. 2004. 691: 499: 1096: 1045: 1036: 1023: 1010: 998: 963: 760:rectus capitis posterior minor 748:rectus capitis posterior major 672:, which are outgrowths of the 360:, which include a superficial 1: 956: 823:tough mother (or hard mother) 465:longitudinal cerebral fissure 1874:Central gelatinous substance 1326:"Medical Definition of Dura" 1283:10.1007/978-3-030-20925-4_26 1244:10.3109/02699052.2010.490512 1117:10.1097/brs.0b013e31821129df 1066:10.1016/0361-9230(85)90181-9 810: 416:Spinal reflections and folds 319: 7: 927: 858:Dura mater (spinal section) 837: 821:derives from the Latin for 733:microvascular decompression 583: 10: 2230: 1818:Posterior thoracic nucleus 1031:"Penetrating Head Trauma." 931: 762:has a similar attachment. 459:, which separates the two 2155: 2143:Anterior white commissure 2135: 2078: 2026: 2019: 1992: 1935: 1907: 1900: 1891: 1861: 1826: 1813:Intermediolateral nucleus 1803: 1765: 1756: 1703: 1630: 1605: 1572: 1545:Of lateral cerebral fossa 1514: 1496: 1487: 1449: 1442: 1005:University of New England 778:Creutzfeldt–Jakob disease 347:and carries the cerebral 246: 234: 222: 206: 194: 182: 177: 159: 147: 63: 58: 38: 26: 21: 1560:Cerebellopontine cistern 838:umm al-dimāgh al-ṣafīqah 467:between the hemispheres. 2181:Posterior median sulcus 2166:Anterior median fissure 1535:Interpeduncular cistern 1054:Brain Research Bulletin 485:posterior cranial fossa 351:back toward the heart. 934:anatomical terminology 799:Ehlers–Danlos syndrome 774:dura mater transplants 417: 330: 294:central nervous system 248:Anatomical terminology 2186:Posterolateral sulcus 1767:Posterior grey column 1582:Denticulate ligaments 1516:Subarachnoid cisterns 1501:Arachnoid granulation 1324:William C. Shiel Jr. 767:cervicogenic headache 741:surgical sealant film 707:Clinical significance 664:internal jugular vein 415: 408:Folds and reflections 329: 2171:Anterolateral sulcus 2002:Spinoreticular tract 1828:Anterior grey column 1711:Cervical enlargement 1555:Of lamina terminalis 1506:Arachnoid trabeculae 1388:at Wikimedia Commons 756:trigeminal neuralgia 729:trigeminal neuralgia 616:improve this section 532:improve this section 341:dural venous sinuses 2007:Spino-olivary tract 1805:Lateral grey column 1653:Cerebrospinal fluid 1464:Tentorium cerebelli 1111:(25): E1612–E1614. 785:Chiari malformation 660:cerebrospinal fluid 434:tentorium cerebelli 345:cerebrospinal fluid 306:cerebrospinal fluid 280:that surrounds the 51:tentorium cerebelli 33:Meninges of the CNS 1853:Gamma motor neuron 1841:Alpha motor neuron 1746:Terminal ventricle 1716:Lumbar enlargement 1648:Subarachnoid space 1597:Perivascular space 1540:Chiasmatic cistern 1217:2005-12-14 at the 1016:Shepherd S. 2004. 984:10.1002/bdrc.20104 932:This article uses 656:dural venous sinus 495:hypophysial veins. 418: 402:meningeal arteries 331: 2196: 2195: 2156:External features 2151: 2150: 2131: 2130: 2068:Hypothalamospinal 2015: 2014: 1887: 1886: 1663: 1662: 1626: 1625: 1568: 1567: 1474:Diaphragma sellae 1384:Media related to 1355:"dura mater (n.)" 1292:978-3-030-20924-7 1007:, The Dura Mater. 886:and its membranes 845:Additional images 832:أم الدماغ الصفيقة 717:epidural hematoma 713:subdural hematoma 686:subdural hematoma 652: 651: 644: 568: 567: 560: 422:dural reflections 292:that protect the 262: 261: 257: 2221: 2024: 2023: 1905: 1904: 1898: 1897: 1785:Nucleus proprius 1775:Marginal nucleus 1763: 1762: 1721:Conus medullaris 1704:General features 1690: 1683: 1676: 1667: 1666: 1550:Superior cistern 1494: 1493: 1447: 1446: 1421: 1414: 1407: 1398: 1397: 1383: 1367: 1366: 1351: 1345: 1344: 1342: 1341: 1332:. 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Retrieved 1334:the original 1330:Medicine Net 1329: 1274: 1268: 1235: 1232:Brain Injury 1231: 1225: 1212:redcross.org 1203: 1194: 1184: 1151: 1147: 1141: 1108: 1104: 1098: 1057: 1053: 1047: 1038: 1025: 1012: 1000: 975: 971: 965: 822: 816: 814: 803: 789: 782: 771: 764: 745: 725:brain tumour 710: 695: 692:Nerve supply 677: 668: 653: 638: 632:January 2020 629: 614:Please help 602: 573: 569: 554: 548:January 2020 545: 530:Please help 518: 500:Blood supply 480: 470: 457:falx cerebri 425: 421: 419: 396:, which can 381: 370:neurocranium 361: 355: 353: 334: 310:neural crest 269: 266:neuroanatomy 263: 217:A14.1.01.002 213:A14.1.01.101 188: 154:Neural crest 47:falx cerebri 2121:Olivospinal 2116:Raphespinal 2111:Tectospinal 2058:Raphespinal 2053:Rubrospinal 1984:Spinotectal 1836:Interneuron 1697:Spinal cord 1436:spinal cord 461:hemispheres 426:dural folds 378:endocranium 286:spinal cord 272:is a thick 178:Identifiers 172:spinal cord 2203:Categories 1451:Dura mater 1386:Dura mater 1359:Etymonline 1340:2009-06-01 957:References 829:of Arabic 818:dura mater 438:cerebellum 386:thecal sac 366:periosteum 362:periosteal 270:dura mater 189:dura mater 22:Dura mater 1909:Posterior 1574:Pia mater 1309:242191187 1074:0361-9230 946:Pia mater 815:The name 811:Etymology 752:headaches 603:does not 519:does not 444:from the 442:brainstem 382:dural sac 374:calvarium 320:Structure 302:pia mater 149:Precursor 2209:Meninges 2162:Ventral 2091:Anterior 2080:Anterior 1994:Anterior 1972:anterior 1736:Meninges 1606:Combined 1428:Meninges 1301:29506096 1252:20545453 1215:Archived 1176:26183189 1133:31560001 1125:21278628 992:18228258 941:Meninges 928:See also 721:arterial 584:Drainage 450:cerebrum 357:lamellae 314:mesoderm 300:and the 290:meninges 276:made of 274:membrane 164:Meninges 2177:Dorsal 2041:Lateral 2028:Lateral 1967:lateral 1955:ventral 1937:Lateral 1927:Cuneate 1922:Gracile 1901:Sensory 1430:of the 1260:9553904 1168:8610241 1090:4763767 1082:3872702 737:sutures 624:removed 609:sources 540:removed 525:sources 448:of the 368:of the 201:D004388 160:Part of 59:Details 1950:dorsal 1631:Spaces 1443:Layers 1307:  1299:  1289:  1258:  1250:  1174:  1166:  1131:  1123:  1088:  1080:  1072:  990:  731:via a 2020:Motor 1862:Other 1432:brain 1305:S2CID 1256:S2CID 1172:S2CID 1148:Spine 1129:S2CID 1105:Spine 1086:S2CID 372:(the 282:brain 252:[ 184:Latin 168:brain 2136:Both 1434:and 1297:PMID 1287:ISBN 1248:PMID 1164:PMID 1121:PMID 1078:PMID 1070:ISSN 988:PMID 825:, a 797:and 607:any 605:cite 523:any 521:cite 490:The 475:The 455:The 440:and 432:The 376:and 284:and 241:9592 229:5370 208:TA98 196:MeSH 170:and 53:etc. 49:and 1279:doi 1240:doi 1156:doi 1113:doi 1062:doi 980:doi 618:by 534:by 384:or 264:In 236:FMA 224:TA2 85:ʊər 2205:: 1361:. 1357:. 1328:. 1316:^ 1303:, 1295:, 1285:, 1254:. 1246:. 1236:24 1234:. 1210:- 1193:. 1170:. 1162:. 1152:20 1150:. 1127:. 1119:. 1109:36 1107:. 1084:. 1076:. 1068:. 1058:14 1056:. 986:. 976:81 974:. 780:. 754:, 743:. 688:. 666:. 404:. 316:. 268:, 137:ər 122:/- 118:: 116:US 112:, 105:ər 99:eɪ 82:dj 72:: 70:UK 1689:e 1682:t 1675:v 1518:: 1420:e 1413:t 1406:v 1365:. 1343:. 1281:: 1262:. 1242:: 1197:. 1178:. 1158:: 1135:. 1115:: 1092:. 1064:: 994:. 982:: 936:. 835:( 645:) 639:( 634:) 630:( 626:. 612:. 561:) 555:( 550:) 546:( 542:. 528:. 479:( 452:. 256:] 140:/ 134:t 131:æ 128:m 125:ˈ 108:/ 102:t 96:m 93:ˈ 88:ə 79:ˈ 76:/

Index



falx cerebri
tentorium cerebelli
UK
/ˈdjʊərəˈmtər/
US
/-ˈmætər/
Precursor
Neural crest
Meninges
brain
spinal cord
Latin
MeSH
D004388
TA98
A14.1.01.101
A14.1.01.002
TA2
5370
FMA
9592
Anatomical terminology
edit on Wikidata
neuroanatomy
membrane
dense irregular connective tissue
brain
spinal cord

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