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Figure 8 | BMC Neuroscience

Figure 8

From: Hypocretin1/orexinA-immunoreactive axons form few synaptic contacts on rat ventral tegmental area neurons that project to the medial prefrontal cortex

Figure 8

Hcrt1/OxA-containing axons close to blood vessels (bv) in the ventral tegmental area. (A) An Hcrt1/OxA-immunoreactive axonal bouton (Hcrt1/OxA-B) forms an appositional contact with a muscle cell (mc) in an arteriole. (B) Hypocretinergic/orexinergic varicosity (Hcrt1/OxA-V), containing large dense-cored vesicles (ldcv), is near a bv. (C) Unmyelinated axon containing Hcrt1/OxA (Hcrt1/OxA-Ax) close to a bv, makes an appositional contact (arrowhead) with a Fluorogold-labeled dendrite (FG-den, black arrow). e, endothelial cell. Scale bar, A, 0.5 μm; B-C , 0.2 μm.

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