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trigeminal nucleus

trigeminal nucleus The trigeminal nucleus is any of four brainstem nerve-cell groups associated with the fifth cranial nerve.

The trigeminal nucleus is any of four brainstem nerve-cell groups associated with the fifth cranial nerve. These include the principal sensory nucleus, mesencephalic nucleus, spinal trigeminal tract, and motor nucleus.

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Sources

Drafting source: NCI Thesaurus. Flat export snapshot 2026-10-18. “Trigeminal Nucleus” (C12807).
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PsychTerms (psychterms.org), CC BY 4.0, version 1. “trigeminal nucleus.” Development preview.

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