Sinonim circle of willis

English Thesaurus

1. a ring of arteries at the base of the brain (noun.body)

hypernym	:	arteria, arterial blood vessel, artery,
definition	:	a blood vessel that carries blood from the heart to the body (noun.body)

part meronym	:	brain, encephalon,
definition	:	that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord (noun.body)