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superior medullary velum in Medicine

superior medullary velum

n.
  1. The thin layer of white matter stretching between the two superior cerebellar peduncles, forming part of the roof of the fourth ventricle.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.