HE staining of brains 11 weeks after left renal artery constriction. There is no significant morphological change of blood vessels in the RVHT rat (A,B) compared to the normotensive rats (C,D). Cerebral cortex (A,B); striatum (C,D); HE, hematoxylin and eosin; scale bar, 100 μm. Color image is available online at www.liebertonline.com/neu