Caroticotympanic arteries

Caroticotympanic arteries
Caroticotympanic arteries
Details
Precursor	Aortic arch 2
Source	Petrous portion of the internal carotid artery
Supplies	Tympanic cavity
Identifiers
Latin	arteriae caroticotympanicae, ramus caroticotympanicus
TA98	A12.2.06.005
TA2	4464
FMA	71691
	Anatomical terminology [edit on Wikidata]

The caroticotympanic artery (tympanic branch) is a small, sometimes doubled artery which arises from (the petrous portion of) the internal carotid artery. It leaves the carotid canal through a foramen to reach the tympanic cavity.^[1]^: 416 It contributes arterial supply to the osseous part of the pharyngotympanic tube (Eustachian tube).^[1]^: 706

Anatomy

Anastomoses

It forms anastomoses with the anterior tympanic branch of the maxillary artery, and the stylomastoid artery.^[1]^: 416

Variation

Because the caroticotympanic artery is more often absent than present, some controversy exists as to whether these are should be classified as an anatomical variation.^[2] Nevertheless, its relevance to internal carotid artery pathologies supports its continued classification as a non-variation anatomical structure.^[3]^[4] Additionally, the origin of the caroticotympanic artery as a vestige of the embryonic hyoid artery provides a developmental reason for its continued classification as a canonical branch.^[5]^[6]

References

^ ^a ^b ^c Standring, Susan (2020). Gray's Anatomy: The Anatomical Basis of Clinical Practice (42th ed.). New York. ISBN 978-0-7020-7707-4. OCLC 1201341621.{{cite book}}: CS1 maint: location missing publisher (link)
^ Andreo, Jesus Carlos; Caldas Navarro, João Adolfo; Toledo Filho, João Lopes; de Araújo, José Carlos (2000). "Caroticotympanic Artery: Anatomically a Normal Branch or a Variation of the Internal Carotid Artery?". Cells Tissues Organs. 166 (3): 319–322. doi:10.1159/000016745. ISSN 1422-6405. PMID 10765027. S2CID 5779830.
^ Quisling, Ronald G.; Rhoton, Albert L. (April 1979). "Intrapetrous Carotid Artery Branches: Radioanatomic Analysis". Radiology. 131 (1): 133–136. doi:10.1148/131.1.133. ISSN 0033-8419. PMID 424573.
^ Thiers, Fabio A.; Sakai, Osamu; Poe, Dennis S.; Curtin, Hugh D. (2000-09-01). "Persistent Stapedial Artery: CT Findings". American Journal of Neuroradiology. 21 (8): 1551–1554. ISSN 0195-6108. PMC 7974054. PMID 11003295.
^ Liu, James K.; Gottfried, Oren N.; Amini, Amin; Couldwell, William T. (November 2004). "Aneurysms of the petrous internal carotid artery: anatomy, origins, and treatment". Neurosurgical Focus. 17 (5): E13. doi:10.3171/foc.2004.17.5.13. ISSN 1092-0684. PMID 15633978.
^ Kathuria, Sudhir; Gregg, Lydia; Chen, James; Gandhi, Dheeraj (June 2011). "Normal Cerebral Arterial Development and Variations". Seminars in Ultrasound, CT and MRI. 32 (3): 242–251. doi:10.1053/j.sult.2011.02.002. PMID 21596279.

External links

This cardiovascular system article is a stub. You can help Wikipedia by expanding it.

[Standring-2020-1] Standring, Susan (2020). Gray's Anatomy: The Anatomical Basis of Clinical Practice (42th ed.). New York. ISBN 978-0-7020-7707-4. OCLC 1201341621.{{cite book}}: CS1 maint: location missing publisher (link)

[2] Andreo, Jesus Carlos; Caldas Navarro, João Adolfo; Toledo Filho, João Lopes; de Araújo, José Carlos (2000). "Caroticotympanic Artery: Anatomically a Normal Branch or a Variation of the Internal Carotid Artery?". Cells Tissues Organs. 166 (3): 319–322. doi:10.1159/000016745. ISSN 1422-6405. PMID 10765027. S2CID 5779830.

[3] Quisling, Ronald G.; Rhoton, Albert L. (April 1979). "Intrapetrous Carotid Artery Branches: Radioanatomic Analysis". Radiology. 131 (1): 133–136. doi:10.1148/131.1.133. ISSN 0033-8419. PMID 424573.

[4] Thiers, Fabio A.; Sakai, Osamu; Poe, Dennis S.; Curtin, Hugh D. (2000-09-01). "Persistent Stapedial Artery: CT Findings". American Journal of Neuroradiology. 21 (8): 1551–1554. ISSN 0195-6108. PMC 7974054. PMID 11003295.

[5] Liu, James K.; Gottfried, Oren N.; Amini, Amin; Couldwell, William T. (November 2004). "Aneurysms of the petrous internal carotid artery: anatomy, origins, and treatment". Neurosurgical Focus. 17 (5): E13. doi:10.3171/foc.2004.17.5.13. ISSN 1092-0684. PMID 15633978.

[6] Kathuria, Sudhir; Gregg, Lydia; Chen, James; Gandhi, Dheeraj (June 2011). "Normal Cerebral Arterial Development and Variations". Seminars in Ultrasound, CT and MRI. 32 (3): 242–251. doi:10.1053/j.sult.2011.02.002. PMID 21596279.

[1]

[2]

[3]

[4]

[5]

[6]