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. Author manuscript; available in PMC: 2010 Feb 16.
Published in final edited form as: Open Pain J. 2008 Jan 1;1:1. doi: 10.2174/1876386300801010001

Figure 1.

Figure 1

Pharmacological isolation of the K current reveals 2 distinct classes of small DRG neurons. A: A typical neuron with a large amount of non-inactivating sustained component and a smaller component of rapidly inactivating transient component. B: A typical small neuron with both non-inactivating sustained and fast inactivating components. Note that the rapidly inactivating component is sensitive to 4-AP; and the non-inactivating sustained component is blocked by TEA.