Keywords: نوروپاتی انتروکوک; Enteric Neuropathy; Neural Stem Cell; Transplantation; Colonic Muscle; ChAT; choline acetyltransferase; ChR2; channelrhodopsin-2; E; embryonic; EJP; excitatory junction potential; ENS; enteric nervous system; EPSP; excitatory postsynaptic potential; fNS;