Intersegmental artery: Difference between revisions
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== Cervical intersegmental arteries == |
== Cervical intersegmental arteries == |
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The cervical intersegmental arteries merge into the [[vertebral artery]]<ref name=":0" /> with the exception of the 7th (or possibly the 6th) cervical intersegmental artery, which becomes the [[subclavian artery]].<ref>{{Cite web|url=http://www.embryology.ch/anglais/pcardio/arterien01.html|title=Aortic arches|website=www.embryology.ch|access-date=2016-08-10}}</ref> The confusion arises because the vertebral artery drains into the subclavian artery following the disappearance of the dorsal aortae in part of the cervical region. |
The cervical intersegmental arteries merge into the [[vertebral artery]]<ref name=":0" /> with the exception of the 7th (or possibly the 6th) cervical intersegmental artery, which becomes the [[subclavian artery]].<ref>{{Cite web|url=http://www.embryology.ch/anglais/pcardio/arterien01.html|title=Aortic arches|website=www.embryology.ch|access-date=2016-08-10|archive-date=2018-10-04|archive-url=https://web.archive.org/web/20181004071042/http://embryology.ch/anglais/pcardio/arterien01.html|url-status=dead}}</ref> The confusion arises because the vertebral artery drains into the subclavian artery following the disappearance of the dorsal aortae in part of the cervical region. |
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== Thoracic intersegmental arteries == |
== Thoracic intersegmental arteries == |
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Latest revision as of 13:41, 3 February 2023
The intersegmental arteries are a set of 30 arteries arising from the embryonic dorsal aorta,[1] with each artery providing blood supply to one somite and its derivatives.
Cervical intersegmental arteries
[edit]The cervical intersegmental arteries merge into the vertebral artery[1] with the exception of the 7th (or possibly the 6th) cervical intersegmental artery, which becomes the subclavian artery.[2] The confusion arises because the vertebral artery drains into the subclavian artery following the disappearance of the dorsal aortae in part of the cervical region.
Thoracic intersegmental arteries
[edit]The thoracic intersegmental arteries all develop into the intercostal arteries.[1]
Lumbar intersegmental arteries
[edit]The lumbar intersegmental arteries develop into the lumbar arteries, with the exception of the 5th (last) lumbar intersegmental artery, which becomes the common iliac arteries.[1]
Sacral intersegmental arteries
[edit]These arteries merge into the lateral sacral artery.[1]
References
[edit]- ^ a b c d e Moore, Keith L.; Persaud, T. V. N.; Torchia, Mark G. (2015-04-06). The Developing Human: Clinically Oriented Embryology. Elsevier Health Sciences. p. 288. ISBN 9780323313483.
- ^ "Aortic arches". www.embryology.ch. Archived from the original on 2018-10-04. Retrieved 2016-08-10.