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psoas abscess in Medicine

psoas abscess

(sōəs)
n.
  1. An abscess originating in tuberculous spondylitis and extending through the iliopsoas muscle to the inguinal region.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.