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8 Words That Are Older Than You Think

posterolateral groove

posterolateral groove in Medicine

posterolateral groove n.
A longitudinal furrow located on either side of the posterior median sulcus of the spinal cord and medulla oblongata and marking the line of entrance of the posterior nerve roots.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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