File:Trigeminal artery 01.jpg

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Trigeminal Artery and Hypoglossal Artery

  • A - The most common persistent embryonic carotid-vertebrobasilar anastomosis is the trigeminal artery. A persistent trigeminal artery consists of a connection between the intracranial internal carotid artery and the basilar artery, usually in the basilar midsegment or distally near the origin of the superior cerebellar arteries.
  • B - A rarer variant is the persistence of the hypoglossal artery, which is distinguished from a persistent proatlantal artery because it enters the skull via the hypoglossal canal rather than the foramen magnum.


Links: Overview cartoon | Early vascular changes | Persistent trigeminal and hypoglossal arteries | Persistent trigeminal artery | Cardiovascular System Development | Neural - Cerebrum Development

Reference

Menshawi K, Mohr JP & Gutierrez J. (2015). A Functional Perspective on the Embryology and Anatomy of the Cerebral Blood Supply. J Stroke , 17, 144-58. PMID: 26060802 DOI.

Copyright

© 2015 Korean Stroke Society (open-access, http://creativecommons.org/licenses/by-nc/3.0/): This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Jos-17-144-g005.jpg Original figure 5 adjusted in size and labelling.


Cite this page: Hill, M.A. (2019, November 22) Embryology Trigeminal artery 01.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Trigeminal_artery_01.jpg

What Links Here?
© Dr Mark Hill 2019, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

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current10:37, 5 November 2015Thumbnail for version as of 10:37, 5 November 2015947 × 800 (102 KB)Z8600021 (talk | contribs)The most common persistent embryonic carotid-vertebrobasilar anastomosis is the trigeminal artery (A). A persistent trigeminal artery consists of a connection between the intracranial internal carotid artery and the basilar artery, usually in the basil...
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