[Functional status of neurons of the myenteric plexus of the stomach free of central control].

Spike activity of the stomach wall smooth muscles, changes of the intramural neurons size and the nucleic acids amount in the neuron cytoplasm and gliocyte nuclei within the intramural ganglia of the dog stomach, were studied within 2 weeks, 4 and 6.5 months after bilateral trunk vagotomy. The intramural nervous system was shown to take up organizing of phases of the myo-electrical complex, the latter revealing a higher rate of the spike activity. The population of small neurons increases in the intramural ganglia, the amount of nucleic acids reducing both in the neuron cytoplasm and in gliocyte nuclei. The functional deficiency of the intramural neurons seem to underlie the disturbances of electrical and motor functions of the digestive tract walls in lesion of the central control.