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. 2002 Feb 1;22(3):977–990. doi: 10.1523/JNEUROSCI.22-03-00977.2002

Fig. 5.

Fig. 5.

Photomicrographs of VLPO area showing fibers immunoreactive for histamine (A, HA); DBH (B), the synthetic enzyme for noradrenaline; 5HTT (C); PNMT (D), the synthetic enzyme for adrenaline; orexin (E), and ChaT (F). The VLPO core is indicated byarrows. Histamine fibers are most numerous in the VLPO core, whereas DBH fibers are most numerous in the extended VLPO, just dorsomedial to the VLPO core. Orexin fiber innervation of the VLPO is relatively modest, whereas ChAT fibers are extremely sparse in the VLPO, although ChAT fibers are abundant in the adjacent diagonal band. Scale bars: A, B, 250 μm;C–F, 100 μm.