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Medical Dictionary

pyramid

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noun pyr·a·mid \ˈpir-ə-ˌmid\

Medical Definition of pyramid

  1. 1:  a polyhedron having for its base a polygon and for faces triangles with a common vertex

  2. 2:  an anatomical structure resembling a pyramid: asa:  renal pyramidb:  either of two large bundles of motor fibers from the cerebral cortex that reach the medulla oblongata and are continuous with the corticospinal tracts of the spinal cordc:  a conical projection making up the central part of the inferior vermis of the cerebellum





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