Posterior Communicating Artery

An artery on the left and right side of the base of the brain that forms part of the Circle of Willis by connecting to the internal carotid artery, anterior cerebral artery, and middle cerebral artery, anteriorly and the posterior cerebral artery, posteriorly. (NCI Thesaurus)

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Posterior Circumflex Artery

An artery branching off of the axillary artery that supplies the shoulder joint and the teres minor and deltoid muscles.

Posterior Circulation Intracranial Artery

Any of the arteries that are part of the intracranial posterior circulation.

Posterior Choroidal Artery

Either of two arteries (medial or lateral) that arise from the posterior cerebral artery to supply the choroidal plexus and brainstem. …

Posterior Chamber of the Eye

A space within the eye located between the iris and the lens. It is filled with aqueous humor.

Posterior Cervical Lymph Node

A lymph node located in the posterior region of the neck.

Posterior Cerebral Artery Branch

Any artery arising from the posterior cerebral artery.