Deep_auricular_artery

Deep auricular artery

Deep auricular artery

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The deep auricular artery is a branch of the maxillary artery. The deep auricular artery pierces the external acoustic meatus. It provides arterial supply to the skin of the external acoustic meatus, and contributes arterial supply to the tympanic membrane, and (via a branch) the temporomandibular joint.[1]

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Anatomy

Origin

It is a branch of the (mandibular part of) the maxillary artery.[1] It often arises in common with the anterior tympanic artery.[citation needed]

Course

It ascends[2] in the substance of the parotid gland, behind the temporomandibular articulation,[citation needed] and pierces the cartilaginous or bony wall of the external acoustic meatus[1] to course between the cartilage and bone.[2]

Distribution

It supplies its cuticular lining and the outer surface of the tympanic membrane.[citation needed]

It gives a branch to the temporomandibular joint.[1]

References

Public domain This article incorporates text in the public domain from page 560 of the 20th edition of Gray's Anatomy (1918)

  1. [1]
    Standring, Susan (2020). Gray's Anatomy: The Anatomical Basis of Clinical Practice (42th ed.). New York. p. 1464. ISBN 978-0-7020-7707-4. OCLC 1201341621.{{cite book}}: CS1 maint: location missing publisher (link)
  2. [2]
    Sinnatamby, Chummy S. (2011). Last's Anatomy (12th ed.). Elsevier Australia. p. 363. ISBN 978-0-7295-3752-0.


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