Ключевые слова: 3d, activation, biochemistry, biology, biomolecule, bleeding, blood, cartoon, chain, chemistry, clotting, coagulation, coil, color, computer generated, dimer, disease, epistaxis, factor x, gaussian surface, graphic, green, health, helix, human, illustration, isolated, liver, medicine, model, molecule, protein, quaternary, receptor, ribbon, science, secondary, shape, sheet, strand, structure, stuartprower, template, tertiary, three dimensional, white background,