[Aneurysm carriers and aneurysmic brain disease].
Bifurcational failure of the brain arterial circle is a combination of congenital and acquired structural changes in the apical angles of the brain arteries branching. Their combination with hemodynamic changes (stress) produced by various diseases creates aneurysmogenic situation which is probably exclusive property of the circulus arteriosus Willisii. Bifurcational--hemodynamic (so-called congenital) aneurysms are not more than anatomical phenomenon underlying two conditions; aneurysm carriage and aneurysmic disease. Each of them should be distinguished as a separate nosological entity.
Medvedev
Iu A
IuA
D002941:Circle of Willis / Q000503:physiopathology; D006439:Hemodynamics / Q000502:physiology; D006579:Heterozygote; D006801:Humans; D002532:Intracranial Aneurysm / Q000151:congenital / Q000235:genetics* / Q000503:physiopathology
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