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    Lymphocyte white blood cells — Stock Photo
    Lymphocyte white blood cells
    Artwork of plasma cells — Stock Photo
    Artwork of plasma cells
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    Blood vessel with blood cells — Stock Photo
    Blood vessel with blood cells
    Lymphocytes attacking a cancer cell — Stock Photo
    Lymphocytes attacking a cancer cell
    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Illustration of blue cell membrane on white background. — Stock Photo
    Illustration of blue cell membrane on white background.
    Leucocyte cell capturing harmful bacteria, computer illustration. — Stock Photo
    Leucocyte cell capturing harmful bacteria, computer illustration.
    Light micrograph of goblet cells in colon. — Stock Photo
    Light micrograph of goblet cells in colon.
    T lymphocyte cells attached to cancer cell — Stock Photo
    T lymphocyte cells attached to cancer cell
    White blood cell, digital illustration. — Stock Photo
    White blood cell, digital illustration.
    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.
    Basophil white blood cell, digital illustration. — Stock Photo
    Basophil white blood cell, digital illustration.
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Close-up of female scientist using pipette in laboratory — Stock Photo
    Close-up of female scientist using pipette in laboratory
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration.
    Light micrograph of a section through a nasal polyp, a benign growth that arises from a mucous membrane. — Stock Photo
    Light micrograph of a section through a nasal polyp, a benign growth that arises from a mucous membrane.
    Human oesophagus wall — Stock Photo
    Human oesophagus wall
    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Woman with skateboard in hands — Stock Photo
    Woman with skateboard in hands
    Red and white blood cells, computer illustration. — Stock Photo
    Red and white blood cells, computer illustration.
    Neutrophil is a granulocyte, a part of the innate immune system. — Stock Photo
    Neutrophil is a granulocyte, a part of the innate immune system.
    Tween girl lays in bed with her headphones looking at her cellphone — Stock Photo
    Tween girl lays in bed with her headphones looking at her cellphone
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    Macrophage foam cells with lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells with lipid droplets, digital illustration.
    Illustration of blue cell membrane on white background. — Stock Photo
    Illustration of blue cell membrane on white background.
    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.
    Destruction of a human embryo — Stock Photo
    Destruction of a human embryo
    Teen girl walking happily through the streets of the city on a sunny day — Stock Photo
    Teen girl walking happily through the streets of the city on a sunny day
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, 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.
    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    Cheerful girl on beach — Stock Photo
    Cheerful girl on beach
    Lonely girl in empty office calling with her cell phone while looking the city scape through the windows — Stock Photo
    Lonely girl in empty office calling with her cell phone while looking the city scape through the windows
    Human nerve structure in cross section, digital illustration. — Stock Photo
    Human nerve structure in cross section, digital illustration.
    Cancer cells and white blood cells — Stock Photo
    Cancer cells and white blood cells
    Digital illustration of colorful Polio virus particle. — Stock Photo
    Digital illustration of colorful Polio virus particle.
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration. — Stock Photo
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration.
    Healthy red blood cells — Stock Photo
    Healthy red blood cells
    Unilocular adipose tissue — Stock Photo
    Unilocular adipose tissue
    Mixed-race bride taking selfie with mobile phone in boutique — Stock Photo
    Mixed-race bride taking selfie with mobile phone in boutique
    3d illustration of signals transmitting nerve cells. — Stock Photo
    3d illustration of signals transmitting nerve cells.
    Blue colored nerve cell on white background, digital illustration. — Stock Photo
    Blue colored nerve cell on white background, digital illustration.
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Appendix showing appendicitis — Stock Photo
    Appendix showing appendicitis
    Human nerve structure in cross section, digital illustration. — Stock Photo
    Human nerve structure in cross section, digital illustration.
    Red blood cells — Stock Photo
    Red blood cells
    Portrait of brunette businessman holding smartphone in hand and looking away at downtown urban scene — Stock Photo
    Portrait of brunette businessman holding smartphone in hand and looking away at downtown urban scene
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia. — Stock Photo
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia.
    Cancer cell, computer illustration — Stock Photo
    Cancer cell, computer illustration
    Sickle cell anaemia — Stock Photo
    Sickle cell anaemia
    Section through the cerebellum of the brain — Stock Photo
    Section through the cerebellum of the brain
    Senior carpenter talking on cell phone and reviewing paperwork in workshop — Stock Photo
    Senior carpenter talking on cell phone and reviewing paperwork in workshop
    Mother and daughters taking selfie with camera phone at garden party patio table — Stock Photo
    Mother and daughters taking selfie with camera phone at garden party patio table
    Hands of scientist using syringe and petri dish — Stock Photo
    Hands of scientist using syringe and petri dish