Abstract

The tonus of the tongue muscles was studied in animals. Experiments were performed on anesthetized cats. The tongue was stretched with weights ranging from 20 to 30 g. Reaction of the tongue to stretching was registered by a cathode ray oscillograph. It was established that the more the tongue is stretched, the greater its electric activity i. e. the more pronounced the proprioceptive reflex of stretching. Section of hypoglossal nerves destroys the tonus of the tongue muscles “at rest”, as well as proprioceptives reflexes to stretching.

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