Photomicrographs of transversal sections through the anterior hypothalamus of a female rat. A) High capillary density in the hypothalamic PVN observed in six serial 100-μm unstained sections. B) The same six sections after cresyl violet staining; note that capillaries are not visualized but stained neurons can be seen (for details see text). Scale bar: 200 μm.
Cortés-Sol et al. BMC Neuroscience 2013 14:7 doi:10.1186/1471-2202-14-7