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Auricular Branch of Posterior Auricular Artery (Left)
Cardiovascular System

Auricular Branch of Posterior Auricular Artery (Left)

Ramus auricularis arteriae auricularis posterioris

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Quick Facts

Origin: Posterior auricular artery.

Course: Ascend behind the ear.

Branches: None.

Supplied Structures: Auricle and adjacent skin.

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Origin

The auricular branch of the posterior auricular artery arises from the posterior auricular artery as it ascends in the groove between the mastoid process of the temporal bone and the cartilage of the ear.

Course

The auricular branch of the posterior auricular artery ascends behind the ear, underneath the auricularis posterior muscle (Gray & Lewis, 1918).

Branches

There are no named branches; however, the auricular branch ramifies and some branches curve around the margin of the cartilage, while others perforate it to reach the anterior surface. The ramifications of the auricular branch anastomosis with the anterior auricular branches and parietal branch of the superficial temporal artery.

Supplied Structures

The auricular branch of the posterior auricular artery supplies the auricle and adjacent skin. Additionally, it contributes to the blood supply to the auricularis anterior, posterior, and superior muscles (Netter, 2011).

References

Gray, H. & Lewis, W. H. (1918) Anatomy of the Human Body. Lea & Febiger.

Netter, F. H. (2011) Atlas of Human Anatomy. Saunders/Elsevier.

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Posterior Auricular Artery

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Posterior auricular artery, which supplies the scalp, tympanic cavity, pinna, and the parotid gland.

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