Medical Dictionary

berry aneurysm

noun ber·ry aneurysm \ ˈber-ē- \

medical Definition of berry aneurysm

:an aneurysm of a cerebral artery that resembles a berry or sac in shape and typically occurs at an arterial junction in the circle of Willis
  • The culprit is a berry aneurysm, a slight (one-eighth to one-third of an inch) ballooning of the artery in the circle of Willis …
  • —Tony DajerDiscoverMarch 2009

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