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    Spilt blood sample on white background. — Stock Photo
    Spilt blood sample on white background.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Bag containing donated human blood, placenta and umbilical cord. — Stock Photo
    Bag containing donated human blood, placenta and umbilical cord.
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration.
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital illustration.
    Pathological anatomy of atherosclerosis — Stock Photo
    Pathological anatomy of atherosclerosis
    Blood samples in a multi well plate during a clinical trial. — Stock Photo
    Blood samples in a multi well plate during a clinical trial.
    Lymphocyte, monocyte and neutrophil white blood cells in blood smear, digital illustration. — Stock Photo
    Lymphocyte, monocyte and neutrophil white blood cells in blood smear, digital illustration.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Colored scanning electron micrograph of human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte. — Stock Photo
    Colored scanning electron micrograph of human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte.
    Monocyte white blood cells in blood stream with red blood cells, digital illustration. — Stock Photo
    Monocyte white blood cells in blood stream with red blood cells, digital illustration.
    Doctor taking blood sample from patient arm. — Stock Photo
    Doctor taking blood sample from patient arm.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple. — Stock Photo
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple.
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets. — Stock Photo
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets.
    Red blood cells, computer illustration — Stock Photo
    Red blood cells, computer illustration
    Neutrophil white blood cell in blood, digital artwork. — Stock Photo
    Neutrophil white blood cell in blood, digital artwork.
    Neutrophil white blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cells, digital illustration.
    Erythrocytes red blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes red blood cells in human blood vessel, digital illustration.
    Blood collection kit — Stock Photo
    Blood collection kit
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital illustration.
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    Red blood cells in blood stream — Stock Photo
    Red blood cells in blood stream
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Doctor reading the results of blood test while holding blood sample. — Stock Photo
    Doctor reading the results of blood test while holding blood sample.
    Illustration of abnormal red blood cells known as spur cells acanthocytes. — Stock Photo
    Illustration of abnormal red blood cells known as spur cells acanthocytes.
    Neutrophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cell and red blood cells, digital illustration.
    Illustration of human blood cells on black background. — Stock Photo
    Illustration of human blood cells on black background.
    Syringe dripping blood sample into multiwell tray. — Stock Photo
    Syringe dripping blood sample into multiwell tray.
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei. — Stock Photo
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei.
    3d illustration showing increase of non-functional white blood cells in leukaemia. — Stock Photo
    3d illustration showing increase of non-functional white blood cells in leukaemia.
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia. — Stock Photo
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia.
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing. — Stock Photo
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing.
    Blood test kit and and analysis results — Stock Photo
    Blood test kit and and analysis results
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration.
    Hand holding a multiwell tray containing blood samples. — Stock Photo
    Hand holding a multiwell tray containing blood samples.
    Red blood cells flowing inside an artery — Stock Photo
    Red blood cells flowing inside an artery
    Close-up of laboratory technician holding tube with blood sample in gloved hand. — Stock Photo
    Close-up of laboratory technician holding tube with blood sample in gloved hand.
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration. — Stock Photo
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration.
    Female doctor holding tube with blood sample. — Stock Photo
    Female doctor holding tube with blood sample.
    Red blood cells on white background, digital illustration. — Stock Photo
    Red blood cells on white background, digital illustration.
    Red blood cells, computer illustration — Stock Photo
    Red blood cells, computer illustration
    Multichannel pipette pipetting into rack of tubes. — Stock Photo
    Multichannel pipette pipetting into rack of tubes.
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge. — Stock Photo
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge.
    Close-up of stethoscope alongside blood sample in test tube, syringe and medical vial in a clinic. — Stock Photo
    Close-up of stethoscope alongside blood sample in test tube, syringe and medical vial in a clinic.
    Researcher hand holding vacutainer tube in front of yellow tray. — Stock Photo
    Researcher hand holding vacutainer tube in front of yellow tray.
    Bone marrow cellular structure — Stock Photo
    Bone marrow cellular structure
    Blood samples in centrifuge tubes on white background. — Stock Photo
    Blood samples in centrifuge tubes on white background.
    Scientist viewing sample on glass slide under light microscope. — Stock Photo
    Scientist viewing sample on glass slide under light microscope.
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Illustration showing different types of blood cells, erythrocytes, neutrophil, monocyte, basophil, eosinophil, lymphocyte, and platelets. — Stock Photo
    Illustration showing different types of blood cells, erythrocytes, neutrophil, monocyte, basophil, eosinophil, lymphocyte, and platelets.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Illustration of red blood cells affected by sickle cell anaemia with crescent-shaped cells. — Stock Photo
    Illustration of red blood cells affected by sickle cell anaemia with crescent-shaped cells.