Figure 1From: A novel method for efficient delivery of stem cells to the ischemic brainThe ICA injection needle and anatomy of carotid arteries. (A) A schematic diagram of the ICA needle. (B) Anatomy of the common carotid artery (CCA), external carotid artery (ECA) and internal carotid artery (ICA). (C) After cutting down the distal end of the ECA, pull the ECA to make it straight to the ICA. The ICA injection needle was inserted from the distal end of the ECA and advanced into the ICA and the pterygopalatine artery (PPA).Back to article page