posterior commissure

posterior commissure
posterior commissure n a bundle of white matter crossing from one side of the brain to the other just rostral to the superior colliculi and above the opening of the aqueduct of Sylvius into the third ventricle

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commissura posterior.

Medical dictionary. 2011.

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  • Posterior commissure — Infobox Brain Name = PAGENAME Latin = commissura posterior GraySubject = 189 GrayPage = 812 Caption = Mesal aspect of a brain sectioned in the median sagittal plane. (Posterior commissure labeled at upper right.) Caption2 = Median sagittal… …   Wikipedia

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  • commissure — 1. Angle or corner of the eye, lips, or labia. 2. A bundle of nerve fibers passing from one side to the other in the brain or spinal cord. SYN: commissura [TA]. anterior c. [TA] a round bundle of …   Medical dictionary

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  • Posterior thoracic nucleus — Diagram showing a few of the connections of afferent (sensory) fibers of the posterior root with the efferent fibers from the ventral column and with the various long ascending fasciculi. (Dorsal nucleus labeled at center right.) …   Wikipedia

  • Posterior funiculus — Section of the medulla oblongata …   Wikipedia

  • Posterior horn of spinal cord — Cross section of the spinal cord. The posterior horn is the upper protrusion of grey matter, labeled with 2 Latin cornu posterius medullae spin …   Wikipedia

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