| Type | MGI:General | Description | mice show progressive loss of enteric neurons enteric neuron loss is predominantly of Nos1 expressing (inhibitory motor fibers) ganglion cell bodies that do not exhibit Atxn7-positive inclusions residual Nos1+ neurons have enlarged cell bodies and some of their axons are unusually thick and tortuous with abnormal varicosities calretinin-immunoreactive neurons in myenteric ganglia are reduced in density |