Lingual nerve

Lingual Nerve

The Lingual Nerve (pronunciation: /ˈlɪŋɡwəl ˈnɜːrv/) is a branch of the mandibular nerve (the third division of the trigeminal nerve), which supplies general sensory innervation to the anterior two-thirds of the tongue.

Etymology

The term "lingual" comes from the Latin word "lingua," meaning "tongue," and "nerve" is derived from the Latin "nervus," meaning "sinew or cord." Thus, the lingual nerve refers to the nerve related to the tongue.

Anatomy

The lingual nerve is a branch of the mandibular nerve, which itself is a division of the trigeminal nerve. It provides sensory innervation to the anterior two-thirds of the tongue, including taste sensation. It also carries fibers from the facial nerve, which provide taste sensation from the anterior two-thirds of the tongue.

Clinical Significance

Damage to the lingual nerve can result in lingual nerve injury, leading to numbness, pain, or altered sensation in the tongue, which can affect speech and eating. This can occur due to surgical procedures in the mouth, such as wisdom tooth extraction, or due to trauma.

Related Terms

• Mandibular nerve
• Trigeminal nerve
• Facial nerve
• Lingual nerve injury

External links

• Medical encyclopedia article on Lingual nerve
• Wikipedia's article - Lingual nerve

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