general only as a substance: prefer / blood with higher animals, substances & diseases: Manual 19.7+, 19.8.10; not for hemodynamics: Manual 23.28, 23.29; reinfusion = BLOOD TRANSFUSION, AUTOLOGOUS; venous blood: coordinate BLOOD + VEINS or specific vein but do not index here for routine blood samples; arterial blood: coordinate BLOOD + ARTERIES or specific artery but only if the arterial aspect is significant; "blood picture" = probably BLOOD CELLS or BLOOD CELL COUNT; "blood clot": physiol clot or clotting = BLOOD COAGULATION, pathologic clot or clotting = THROMBOSIS or EMBOLISM

The body fluid that circulates in the vascular system (BLOOD VESSELS). Whole blood includes PLASMA and BLOOD CELLS.