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. Author manuscript; available in PMC: 2014 Nov 24.
Published in final edited form as: Brain Res. 2014 Jul 30;1582:77–90. doi: 10.1016/j.brainres.2014.07.034

Fig. 3.

Fig. 3

Injections of the retrograde tracer cholera toxin b (CTb) into the ventral premammillary nucleus (PMV) of male and female rats. A, D Brightfield images of a reference brain stained with thionin showing two rostro-to-caudal levels of the PMV (A, rostral and D, caudal). B, C, E, F Brightfield images showing hypothalamic sections of a male (B, E, W282) and a female (C, F, W422) rat with CTb injections centered in the PMV. Abbreviations: 3V, third ventricle; Arc, arcuate nucleus; fx, fornix. Scale bar: A–F=500 μm.