CR+ cells are more abundant in the ipsilateral striatum 6 months after stroke, compared with the contralateral striatum. A, B, Photomicrographs of CR immunostaining in the contralateral (A) and ipsilateral (B) striatum 6 months after stroke. C, Higher magnification of the boxed area in (A). D, E, Higher magnification of the boxed areas in B showing morphology of CR+ cells in the damaged striatum. Scale bars: (in B) A, B, 200 μm; (in E) C–E, 50 μm.