![HISTOLOGY: CARDIOVASCULAR: VASCULATURE: Circle of Willis, nervous system: Berry Aneurysm: Micro low mag trichrome portion of cerebral artery and aneurysm showing very well absence of media in aneurysm 00008756.jpg](_data/i/upload/2013/08/01/20130801101248-3334c55d-me.jpg)
HISTOLOGY: CARDIOVASCULAR: VASCULATURE: Circle of Willis, nervous system: Berry Aneurysm: Micro low mag trichrome portion of cerebral artery and aneurysm showing very well absence of media in aneurysm
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HISTOLOGY: CARDIOVASCULAR: VASCULATURE: Circle of Willis, nervous system: Berry Aneurysm: Micro low mag trichrome portion of cerebral artery and aneurysm showing very well absence of media in aneurysm