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. Author manuscript; available in PMC: 2008 Oct 6.
Published in final edited form as: J Comp Neurol. 2006 Feb 1;494(4):635–650. doi: 10.1002/cne.20832

Figure 2.

Figure 2

Electron micrographic composite of a CaMK+ pyramidal cell perikaryon (Cpk) innervated by PV+ axon terminals (arrows). PV+ terminals are clearly marked with intense DAB reaction product; all 13 synapses indicated were confirmed through serial sections. The inset shows a magnified view of one PV+ terminal (asterisk) and its synaptic contact. The moderately dense, particulate V-VIP reaction product for CaMK immunoreactivity is more obvious, at this low magnification, in the neighboring CaMK+ dendrites (Cd) than in the perikaryon (Cpk), where it is somewhat obscured by cytosolic features such as polysomes (see Fig. 3). An oblique view of a PV+ myelinated axon (Pma) is also indicated, with an unlabeled myelinated axon profile (Uma) shown for comparison. Scale bars = 1 μm, 0.2 μm for inset.