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Figure 7 | Molecular Pain

Figure 7

From: Non-peptidergic primary afferents are presynaptic to neurokinin-1 receptor immunoreactive lamina I projection neurons in rat spinal cord

Figure 7

Electron micrograph showing: in A, a P2X3-IR bouton (arrow) forming an axo-somatic contact onto a lamina I cell body (CB), which is also postsynaptic to unlabeled axonal boutons (V); in B, a P2X3-IR central bouton of a type Ia glomerulus (CI P2X3+) presynaptic to 3 lamina I dendrites (D) and apposed to an axonal bouton (V2). Scale bar = 0.5 μm.

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