decussation of pyramids

decussation of pyramids
decussation of pyramids n the crossing of the fibers of the corticospinal tracts from one side of the central nervous system to the other near the junction of the medulla and the spinal cord called also pyramidal decussation

Medical dictionary. 2011.

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  • Decussation of pyramids — Brain: Decussation of pyramids Deep dissection of brain stem. Lateral view. ( pyramidal tract visible in red, and pyramidal decussation labeled at lower right.) Latin decussatio pyramidum Gray s …   Wikipedia

  • decussation — SYN: decussatio. [L. decussatio] anterior tegmental d. [TA] See tegmental decussations (2). d. of brachia conjunctiva SYN: d. of superior cerebellar peduncles. dorsal tegmental d …   Medical dictionary

  • Decussation of the pyramids — Infobox Brain Name = PAGENAME Latin = decussatio pyramidum GraySubject = 192 GrayPage = 870 Caption = Deep dissection of brain stem. Lateral view. ( pyramidal tract visible in red, and pyramidal decussation labeled at lower right.) Caption2 =… …   Wikipedia

  • Decussation — A decussate leaf pattern Decussation (or decussatio) is used in biological contexts to describe a crossing.[1] Examples include: In the brain, where nerve fibers obliquely cross from one lateral part to the other, that is to say they cro …   Wikipedia

  • Sensory decussation — Brain: Sensory decussation The sensory tract. Latin decussatio lemnisci medialis Gray s subject #187 777 …   Wikipedia

  • pyramidal decussation — n DECUSSATION OF PYRAMIDS * * * decussation of pyramids decussatio pyramidum …   Medical dictionary

  • Corticospinal tract — Pyramidal tract redirects here. This page refers to the nerve fibres underlying the pyramids. For the actual area of the brain, Pyramids, see Pyramid of medulla oblongata. Brain: Corticospinal tract Deep dissection of brain stem. Lateral view. (… …   Wikipedia

  • Lateral corticospinal tract — labeled in red at upper left. Latin tractus corticospinalis lateralis, fasciculus cerebrospinalis lateralis …   Wikipedia

  • Anterior corticospinal tract — seen in red at bottom center in figure (text tag found at upper left) …   Wikipedia

  • Gracile nucleus — Brain: Gracile nucleus Section of the medulla oblongata at the level of the decussation of the Pyramids. Gracile nucleus is #8 …   Wikipedia

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