Skip to Content

extracellular fluid



  1. the interstitial fluid and the plasma, constituting about 20% of the weight of the body;
  2. sometimes used to mean all fluid outside of cells, usually excluding transcellular fluid.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.