Semantics as a field of study also has significant ties to various representational theories of meaning including truth theories of meaning, coherence theories of meaning, and correspondence theories of meaning. Each of these is related to the general philosophical study of reality and the representation of meaning.
packed-cell volume (PCV) hematocrit. plasma volume the total volume of blood plasma, i.e., the extracellular fluid volume of the vascular space; see also blood volume. red cell volume the total volume of red cells in the body; see also blood volume.
Updated April 20, 2016. Mean corpuscular volume (MCV) is a blood test that measures the average red blood cell volume, in other words, its size. MCV is part of a Complete Blood Count (CBC) test, and you will see it reported there along with other measures your red cells, white cells, and platelets.