Figure 3
From: A novel method for efficient delivery of stem cells to the ischemic brain
Distribution of methylene blue in three injection routes. (A) Injection of methylene blue into the internal carotid artery with a micro-injection needle after ligation of the pterygopalatine artery (PPA). (B) Injection of methylene blue into the internal carotid artery with the ICA injection needle without ligation of the PPA. (C) Injection of methylene blue into the PPA with a micro-injection needle.