The contracture of Tongue Muscle by the Stimulation of Lingual Nerve after the Degeneration of Hypoglossal Nerves.

<P>1. Stimulation of the peripheral stump of the lingual nerve after the degeneration of hypoglossal nerve causes the contracture of tongue. 2. This phenomenon is retained after the removal of the superior cervical ganglion, after the degeneration of sympathetic postganglional fibres in lingual nerves. 3. Acetylcholine ( Vagusstoff) in most cases has no effect upon the tongue after the degeneration of hypoglossal nerve. 4. Curare prevents the contracture of tongue by the stimulation of lingual nerve.</P>