retroperitoneal

[rĕt′rō-pĕr′ĭ-tn-ēəl]

adj.

Situated behind the peritoneum.

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

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Historical Examples of retroperitoneal