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Because the emissary veins are valveless, they are an important part in selective brain cooling through bidirectional flow of cooler blood from the evaporating surface of the head. In general, blood flow is from external to internal but the flow can be altered by increased intracranial pressure.
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Emissary veins have an important role in selective cooling of the head. They also serve as routes where infections are carried into the cranial cavity from the extracranial veins to the intracranial veins.
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pass through the cavernous sinus, with cranial nerves III, IV, V1, and V2 passing alongside the lateral wall of the sinus. Subsequent infection or inflammation in the cavernous sinus can result in septic
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outside the cranium to the venous sinuses inside the cranium. They drain from the scalp, through the
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connect the extracranial venous system with the intracranial venous sinuses. They connect the
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There are several types of emissary veins including the posterior condyloid, mastoid,
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Coronal cross section of skull showing venous drainage, with emissary vein uppermost
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Klein BM, Bordoni B (25 July 2023). "Anatomy, Head and Neck, Emissary Veins".
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245:, a rare but serious injury most often seen as a complication of
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390:"Subgaleal hematoma. A complication of instrumental delivery"
221:. This is an important route for the spread of infection as
316:"The significance of asymmetry of the foramen of Vesalius"
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276:. Treasure Island, Florida: StatPearls Publishing.
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160:There are also emissary veins passing through the
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241:Rupture of an emissary vein can result in a
27:Anatomical feature of the circulatory system
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358:Forensic Neuropathology, Second Edition
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297:"Cerebral vascular venous drainage"
320:American Journal of Neuroradiology
25:
406:10.1001/jama.1980.03310140055031
201:One notable emissary vein, the
388:Plauché, WC (3 October 1980).
314:Lanzieri, CF (November 1988).
1:
152:and parietal emissary veins.
295:Bajzer, Christopher (2004).
137:. They may also connect to
207:sphenoidal emissary foramen
1466:
1450:Veins of the head and neck
1392:suboccipital venous plexus
232:cavernous sinus thrombosis
99:
1232:internal auditory veins
1042:superior thalamostriate
795:Circulatory anastomosis
758:Internal elastic lamina
549:Precapillary resistance
544:Precapillary sphincter
355:Leestma, J.E. (2008).
205:, travels through the
184:
101:Anatomical terminology
197:Clinical significance
182:
1002:superior anastomotic
996:inferior anastomotic
882:superficial temporal
243:subgaleal hemorrhage
135:dural venous sinuses
1182:inferior ophthalmic
1155:superior ophthalmic
925:jugular venous arch
910:transverse cervical
905:posterior auricular
1418:inferior laryngeal
1385:occipital emissary
1342:superior laryngeal
986:superficial middle
887:anterior auricular
705:Pulmonary arteries
639:Circulatory system
185:
141:within the skull.
129:, into the larger
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1222:inferior petrosal
1217:superior petrosal
1119:inferior sagittal
1109:superior sagittal
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803:
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633:
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400:(14): 1597–1598.
303:– via NCBI.
247:vacuum extraction
213:, connecting the
174:hypoglossal canal
115:
114:
110:
16:(Redirected from
1457:
1413:inferior thyroid
1368:
1337:superior thyroid
1096:
968:
959:
946:
941:Internal jugular
920:anterior jugular
875:pterygoid plexus
858:
853:External jugular
830:
823:
816:
807:
743:Microcirculation
644:
615:Lymphatic vessel
572:Superficial vein
477:
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326:(6): 1201–1204.
311:
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285:
269:
227:internal carotid
215:pterygoid plexus
209:inferior to the
203:vein of Vesalius
107:edit on Wikidata
30:
21:
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1401:
1363:Brachiocephalic
1353:
1298:
1289:inferior labial
1284:superior labial
1243:
1186:
1175:vorticose veins
1165:central retinal
1130:
1085:
1058:
1007:
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893:
862:Retromandibular
847:
834:
804:
799:
785:Vascular nerves
720:
689:
629:
625:Lymph capillary
601:
582:Perforator vein
553:
510:
489:Nutrient artery
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219:cavernous sinus
199:
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170:foramen lacerum
166:jugular foramen
158:
131:meningeal veins
111:
68:
28:
23:
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1349:middle thyroid
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713:Pulmonary vein
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587:Emissary veins
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211:zygomatic arch
198:
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119:emissary veins
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54:vena emissaria
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33:Emissary veins
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1397:deep cervical
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1261:common facial
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790:Rete mirabile
788:
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780:Vasa nervorum
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748:Tunica intima
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592:Venous plexus
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567:Vena comitans
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368:9781420008685
364:
361:. CRC Press.
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223:cranial nerve
220:
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167:
163:
162:foramen ovale
155:
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139:diploic veins
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19:
18:Emissary vein
1320:deep lingual
1274:supraorbital
775:Vasa vasorum
765:Tunica media
730:Microanatomy
586:
499:Metarteriole
417:. Retrieved
397:
393:
383:
372:. Retrieved
357:
350:
323:
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309:
300:
290:
284:. NBK563196.
273:
251:
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159:
147:
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118:
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70:A12.3.05.301
66:A12.0.00.033
53:
1294:deep facial
1170:nasofrontal
1037:deep middle
972:Superficial
753:Endothelium
738:Microvessel
701:Right heart
686:Right heart
670:Capillaries
532:Fenestrated
516:Capillaries
225:VI and the
43:Identifiers
1332:pharyngeal
1325:sublingual
1205:transverse
1068:Cerebellar
717:Left heart
666:Arterioles
654:Left heart
537:Sinusoidal
527:Continuous
374:2014-12-10
274:StatPearls
256:References
236:meningitis
1380:occipital
1372:Vertebral
1160:ethmoidal
1126:occipital
1004:(Trolard)
870:maxillary
695:Pulmonary
682:Vena cava
577:Deep vein
494:Arteriole
217:with the
156:Structure
150:occipital
1444:Category
1239:condylar
1114:straight
1081:inferior
1076:superior
1027:internal
991:inferior
981:superior
963:Cerebral
662:Arteries
648:Systemic
481:Arteries
462:Arteries
301:Remedica
282:33085343
188:Function
1310:lingual
1279:angular
1269:frontal
1201:sigmoid
1091:Sinuses
1047:choroid
998:(Labbé)
950:Diploic
839:of the
674:Venules
473:Vessels
414:7420661
342:3143245
333:8331922
38:Details
1425:thymic
1406:Direct
1303:Direct
1257:Facial
1052:septal
898:Direct
597:Venule
523:Types
419:11 May
412:
365:
340:
330:
280:
172:, and
1032:basal
1022:great
954:brain
837:Veins
709:Lungs
678:Veins
658:Aorta
620:Lymph
607:Lymph
559:Veins
466:veins
127:skull
123:veins
105:[
94:50790
49:Latin
1013:Deep
845:neck
843:and
841:head
464:and
421:2020
410:PMID
394:JAMA
363:ISBN
338:PMID
278:PMID
133:and
117:The
82:4872
61:TA98
1193:IJV
1191:To
1135:To
1101:COS
1099:To
715:→ (
684:→ (
402:doi
398:244
328:PMC
89:FMA
77:TA2
1446::
1203::
1137:CS
711:→
707:→
703:→
680:→
676:→
672:→
668:→
664:→
660:→
656:→
408:.
396:.
392:.
336:.
322:.
318:.
299:.
264:^
249:.
238:.
176:.
168:,
164:,
1259:/
1015::
974::
952:/
829:e
822:t
815:v
719:)
688:)
454:e
447:t
440:v
423:.
404::
377:.
344:.
324:9
109:]
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
