Oculomotor Nerve

**Semantic type:** Body Part, Organ, or Organ Component

**Definition:** The third cranial nerve that originates originating at the oculomotor nerve nucleus at the level of the superior colliculus in the midbrain, provides motor innervation to the levator palpebrae superioris, the superior, inferior, and medial rectus muscles, and the inferior oblique muscles, and provides parasympathetic innervation to the ciliary ganglion.

**Synonyms:** - Cranial Nerve III - NERVE, OCULOMOTOR - OCULOMOTOR NERVE - Oculomotor nerve structure (body structure) - Third Cranial Nerve - Third Cranial Nerve