decussation of the pyramids

noun
variants: or

decussation of pyramids

Definition of decussation of the pyramids

anatomy

  1. :  pyramidal decussation An acute right-sided corticospinal system lesion above the decussation of the pyramids or a left-sided lesion below the decussation but above the seventh dorsal cord segment will abolish the left abdominal reflexes. — Robert T. Ross, How to Examine the Nervous System, 2006

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1810

First Known Use of decussation of the pyramids

1810


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