A compilation of fluorescent staining in rat dorsal root ganglia. The DRG is where the cell bodies of sensory neurons that transmit information from the peripheral to the spinal cord in the central nervous system. They are the first neurons of the sensory pathway! Red: CGRP stains for neurons that detect pain. Green: Detects presence of a subtype of potassium channels. Blue: Detects presence of cell nuclei. This image shows some co-localisation of neurons containing this certain subtype of potassium channels and CGRP positive pain detecting neurons.
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