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Definition

noun, plural: trigeminal ganglia

A sensory ganglion, containing the cell bodies of the sensory fibers of the trigeminal nerve, situated on the anterior lateral wall of the Meckel's cave.

Supplement

This ganglion is a collection of sensory nerve cells of the trigeminal cranial nerve responsible for sensation in the face.

Clinically, this ganglion can serve as a location of herpes virus latency and reactivation.

Synonyms:

• Gasserian ganglion
• Gasser's ganglion
• semilunar ganglion
• fifth ganglion or 5th ganglion