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.
MPV represents the mean platelet volume; platelets vary in size, with young platelets being larger than older ones. Platelets are essential to heal and protect the epithelial layers around organs and in skin. Understanding your blood test results will help you better understand explanations by your physician.