Lingual Nerve

Lingual Nerve

Describe origin, course, relation, distribution & applied anatomy of lingual nerve
Answer:

Lingual Nerve Origin:

• It is one of the terminal branch of the posterior division of trigeminal nerve

Lingual Nerve Course:

• It begins one cm below the skull
• About 2 cm below skull, it is joined to the Chorda tympani nerve at an acute angle
• Then lies in contact with mandible
• Medial to 3rd molar tooth

“Understanding the lingual nerve through FAQs: Composition, functions, and uses explained”

Lingual Nerve Relations:

• It is related to

1. 1. Lower 3rd molar tooth
   2. Hyoglossus
   3. Genioglossus

Lingual Nerve Distribution:

• Sensory to anterior twothird of the tongue & floor of the mouth
• Secretomotor to Submandibular & Sublingual glands
• Gustatory to anterior twothird of the tongue

“Importance of studying the lingual nerve for medical students: Questions explained”

Lingual Nerve Applied anatomy:

• During improper extraction of the lower third molar or fracture of angle of mandible, the lingual nerve may get damaged
• This results in loss of all sensations from anterior twothird of the tongue

“Factors influencing success with lingual nerve studies: Q&A”