Other English forms include the shortening Retha, and the spelling variant Areta. Variant forms of Aretha used in other languages include the Latinized Arethusa and the French Arette. Aretha is rare as a baby name for girls.
Circle of Willis Arteries. 1  anterior cerebral artery. 2  internal carotid artery. 3  posterior communicating artery. 4  posterior cerebral artery. 5  basilar artery. 6  middle cerebral artery. 7  anterior communicating artery (minute connection between the left and right anterior cerebral arteries).
chordae willisii - Synonym(s): Willis cords. circle of Willis - an anastomotic circle of arteries at the base of the brain. Synonym(s): arterial circle of cerebrum. Willis centrum nervosum - the largest and highest group of prevertebral sympathetic ganglia, located on the superior part of the abdominal aorta.