Description of the project: "THE PROJECT IS A FUNDAMENTAL - APPLICATIVE RESEARCH IN THE AREA OF BIOFLUIDS RHEOLOGY, WITH APPLICATION TO THE MODELING OF BLOOD FLOW IN BIFURCATIONS. ONE AIM OF THE PROJECT WAS TO FORMULATE A NOVEL CONSTITUTIVE RELATION FOR BLOOD AND TO ESTABLISH AN EXPERIMENTAL PROCEDURE TO DETERMINE THE INFLUENCES OF THE DEFORMATION AND ORIENTATION OF THE RED CELLS ON THE MACROSCOPIC RHEOLOGICAL PROPERTIES OF BLOOD. THE PRESENT STUDY IS APPLIED TO THE POSSIBLE CORRELATION OF THE BLOOD FLOW REGIME IN PORTAL VEIN WITH THE LIVER DISFUNCTIONS. "