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Figure 5 | BMC Developmental Biology

Figure 5

From: P2Y1receptor switches to neurons from glia in juvenile versus neonatal rat cerebellar cortex

Figure 5

Electron microscopy analysis of P2Y 1 receptor on both axon terminals and dendrites. In A, P2Y1 receptor immunolabelling is shown on varicosities of fibers (white circle) and dendrites of granule cells (white asterisks). In B, P2Y1 receptor immunolabelled varicosities (black arrows) are shown apposed to neuronal elements such as dendrites and cell bodies. In C, P2Y1 receptor immunolabelled varicosity (black arrow) contains mitochondria and pleomorphic vesicles, whereas the intervaricose segment (white arrow) is deprived of vesicles. In D, the varicosity is shown to be filled with pleomorphic vesicles, without forming a clear synaptic contact. Scale bars = 2 μm in A; 2,5 μm in B; 1 μm in C and D.

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