Tongue nerve supply

Tongue nerve supply divided into two parts:

1. Sensory supply 

2. Motor supply

 

Sensory Supply

of Tongue

General sensation (GS) &
Visceral sensation (VS)

Mnemonic

(पसंद = 5, 7, 9, 10)

 

Anterior 2/3 

of tongue

GS = Lingual nerve, br. of 

Trigeminal nerve (CN-5)

 

SS = Chorda tympani, br. of 

Facial nerve (CN-7)

5



7

Posterior 1/3 

of tongue

GS + SS = Glossopharyngeal
nerve (CN-9)

9

Posterior most 

part of tongue

GS + SS = Vagus nerve (CN-10)

10

 

• General Sensation (GS) means temperature, pain sensation from the tongue.

• Special sensation (SS) means taste sensation from the tongue.

 

Motor supply-
All extrinsic and intrinsic muscles of tongue are supplied by hypoglossal nerve (12th cranial nerve) except palatoglossus muscle, it’s supplied by vagus nerve.

 

Hypoglossal nerve (CN-12)

Vagus nerve (CN-10)

All Extrinsic & Intrinsic muscles of tongue

are supplied by hypoglossal nerve 

(CN-12) except palatoglossus muscle

Palatoglossus

muscle

CN - Cranial nerve 
 

View in web app Open in TCML App