Enjoyable Gut Neuroscience

Dr Paul P Bertrand

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Assistant Professor
Dept of Physiology and Cell Biology
University of Nevada
Reno NV 89557, USA

Calretinin positive S neurons

These S neurons are all immunopositive for the calcium binding protein calretinin.

In the guinea pig ileum, the presence of calretinin has been found to be correlated with a two distinct functional types of neuron: ascending interneurons and excitatory motor neurons to the longitudinal muscle.