internal carotid artery

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in·ter·nal ca·rot·id ar·ter·y (ICA),

[TA]
arises from the common carotid opposite upper border of thyroid cartilage (C4 vertebral level) and terminates in the middle cranial fossa by dividing into the anterior and middle cerebral arteries; for descriptive purposes, it is divided into four parts: cervical, petrous, cavernous, and cerebral.
Synonym(s): arteria carotis interna [TA]

internal carotid artery

each of two arteries starting at the bifurcation of the common carotid arteries, opposite the cranial border of the thyroid cartilage, through which blood circulates to many structures and organs in the head.

in·ter·nal ca·rot·id ar·te·ry

(in-tĕr'năl kă-rot'id ahr'tĕr-ē) [TA]
It arises from the common carotid opposite upper border of thyroid cartilage (C4 vertebral level) and terminates in the middle cranial fossa by dividing into the anterior and middle cerebral arteries.
Synonym(s): arteria carotis interna.

internal carotid artery

One of the two main divisions of the common CAROTID ARTERY. The internal carotid supplies blood to the main part of the brain (CEREBRUM) and associated structures, including the eye.