Trochlear nucleus

System Nervous
SNOMED CT 280163001

Trochlear nucleus

Definition

Nucleus in the midbrain at the level of the inferior colliculus near the midline, containing the motor neurons giving rise to the trochlear nerve, innervating the contralateral superior oblique extraocular muscle of the eye (Brodal, Neurological Anatomy, 3rd ed, 1981, pg. 533).

Also known as fourth cranial nerve nucleus, motor nucleus IV, nIV, nucleus nervi trochlearis, nucleus of trochlear nerve, trochlear IV nucleus, trochlear motor nucleus — per UBERON

The Trochlear nucleus is a part of the Nervous.

Also identified as