[ ri-tik-yuh-loh-en-doh-thee-lee-uh l ]
/ rɪˌtɪk yə loʊˌɛn doʊˈθi li əl /

adjective Cell Biology.

pertaining to, resembling, or involving cells of the reticuloendothelial system.
of a cell, having both reticular and endothelial characteristics.


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Origin of reticuloendothelial

1920–25; reticul(um) + -o- + endothelial Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for reticuloendothelial

/ (rɪˌtɪkjʊləʊˌɛndəʊˈθiːlɪəl) /


physiol denoting or relating to a bodily system that consists of all the cells able to ingest bacteria, colloidal particles, etc, with the exception of the leucocytes; it includes the lymphatic system and the spleenSee also macrophage

Word Origin for reticuloendothelial

C20: from reticulum + endothelial
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for reticuloendothelial

[ rĭ-tĭk′yə-lō-ĕn′dō-thēlē-əl ]


Of, relating to, or being the widely diffused bodily system constituting all phagocytic cells except certain white blood cells.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.