trochlear nucleus

trochlear nucleus
trochlear nucleus n a nucleus situated behind the oculomotor nucleus on the dorsal surface of a medial longitudinal fasciculus near the midline that is the source of the motor fibers of the trochlear nerve

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nucleus of trochlear nerve n. nervi trochlearis.

Medical dictionary. 2011.

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  • nucleus nervi trochlearis — [TA] nucleus of trochlear nerve: the nucleus of origin of the motor fibers of the trochlear nerve; it lies in the central gray matter on the dorsal surface of the medial longitudinal fasciculus in the lower part of the mesencephalon. Called also… …   Medical dictionary

  • Nucleus — 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells. * * * 1. In cytology, typically a rounded or oval mass of protoplasm within the cytoplasm of a plant or animal cell; it is surrounded by a… …   Medical dictionary

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  • nucleus tegmentalis posterolateralis — [TA] lateroposterior tegmental nucleus: a nucleus of nerve cells in the mesencephalic tegmentum, situated dorsal to the nucleus of the trochlear nerve. Called also laterodorsal tegmental n …   Medical dictionary

  • nucleus parabrachialis lateralis — [TA] lateral parabrachial nucleus: either of a pair of reticular nuclei located symmetrically on the lateral aspect of the superior cerebellar peduncle in the rostral pons, extending to the level of exit of the trochlear nerve …   Medical dictionary

  • Edinger-Westphal nucleus — Brain: Edinger Westphal nucleus Section through superior colliculus (unlabeled) showing path of oculomotor nerve. ( Edinger Westphal nucleus is not on diagram, but would be near oculomotor nuclei.) …   Wikipedia

  • Cranial nerve nucleus — Brain: Cranial nerve nucleus The cranial nerve nuclei schematically represented; dorsal view. Motor nuclei in red; sensory in blue. (The olfactory and optic centers are not represented.) Latin nucleus nervi cranialis Gray s …   Wikipedia

  • Oculomotor nucleus — Brain: Oculomotor nucleus Section through superior colliculus showing path of oculomotor nerve …   Wikipedia

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