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English definition of “spontaneous occlusion of the circle of Willis”

spontaneous occlusion of the circle of Willis

noun [U]     /spɒnˌteɪ.ni.əs əˌkluː.ʒən əv ðə sɜː.kəl əv wɪl.ɪs/ US  /spɑnˈteɪ.ni.əs əˈkluː.ʒən əv ðə ˈsɜr.kəl əv ˈwɪl.ɪs/ specialized
a very rare condition caused by blocked arteries in the circle of Willis (= a ring of arteries at the base of the brain)Disorders and diseases of the heart and blood
(Definition of spontaneous occlusion of the circle of Willis noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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