loss of extracellular fluid from the vascular to other body compartments.
Examples Skin in severe burns, peritoneum in pancreatitis
third spacingMedtalk A popular verb for hemorrhage or other accumulation of fluids into the so-called 3rd space or physiologic compartment, the interstitial space between the skin and fascia
third spac·ing(thĭrd spās'ing)
Shift of fluid from the intravascular space to a nonfunctional space (e.g., abdomen or thorax).