Tonic and Phasic (IMAGE)

Picower Institute at MIT

Tonic and Phasic

Caption

The left panel shows the "tonic" neuron (stained green) innervating just one muscle on the right of the panel. In the next panel, one can see the phasic neuron (also stained green) connecting to more than one muscle.

Credit

Nicole Aponte-Santiago/MIT Picower Institute

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