Fig. 4From: Visualizing cortical blood perfusion after photothrombotic stroke in vivo by needle-shaped beam optical coherence tomography angiographyDynamic blood flow observation after PT stroke by NB-OCTA. The first image is taken before the thrombosis was induced, followed by 1- 10 days after stroke, this is a process from acute ischemia to chronic recovery, field of view, 2.5 mm × 3.1 mm. Scale bars at bottom right, 200 μmBack to article page