External carotid artery

Synonyms
ECA, External carotid artery
ICD-11
XA9EK2

The external carotid artery is a terminal branch of the Arteria carotis communisCarotid bifurcation.

Anatomy

The external carotid artery gives off additional branches that supply the organs of the neck, the head, and the Dura mater:

Figure

Gray's Anatomy, Figure 507
Anatomical drawing adapted from Gray's Anatomy, Figure 507.

Imaging

The external carotid artery can be visualized using various imaging modalities such as MRI—as well as CT imaging. Optimal visualization can be achieved with digital subtraction angiography.

External carotid artery angiography
Selective angiography of the external carotid artery showing the cranial arterial branches.

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