Also found in: Dictionary, Thesaurus, Medical.
Related to milieu interieur: homeostasis
milieu interieur[mēl′yü in¦tir·ē·ər]
The fundamental concept that the living organism exists in an aqueous internal environment which bathes all tissues and provides a medium for the elementary exchange of nutrients and waste.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.