This diagram depicts the Charcot Bouchard microaneuryms arising from perforating lenticulostriate arteries. These aneurysms typically arise from arteries no larger than 300 micrometers in diameter.
Brain section photo credit:
- Source: wikimedia commons (file here)
- Author: John A Beal, 2005
- Permission: This file is licensed under the Creative Commons Attribution 2.5 Generic license (CC-BY).
Superimposed artery diagram: Frank Gaillard, 2012