We study tongue nerve supply into two parts.
1. Anterior 2/3 of tongue-
2. Posterior 1/3 of tongue-
3. Posterior most part of tongue-
All extrinsic and intrinsic muscles of tongue are supplied by hypoglossal nerve (12th cranial nerve) except palatoglossus muscle.
Palatoglossus muscle is supplied by vagus nerve.
NOTE : General Sensation (GS) means temperature, pain sensation from tongue.
NOTE : Special sensation (SS) means taste sensation from tongue.
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