Anterior Cerebral Artery

**Semantic type:** Body Part, Organ, or Organ Component

**Definition:** One of the two arteries arising from the internal carotid artery and being part of the Circle of Willis. Both left and right anterior cerebral arteries are connected by the anterior communicating artery.

**Synonyms:** - ACA - ACA - ANTERIOR CEREBRAL ARTERY - Anterior Cerebral Arteries