Figure 3From: A modified double injection model of cisterna magna for the study of delayed cerebral vasospasm following subarachnoid hemorrhage in rats A: After drilling a burr hole in the midline at parietooccipital suture, a PE-10 catheter was advanced into the cisterna magna (arrow). B: Cisterna magna after injection of 0.2 ml autologous arterial blood. C: PE-10 catheter was advanced into the cisterna magna (blue line).Back to article page