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    3d rendered illustration of highlighted female spleen. — Stock Photo
    3d rendered illustration of highlighted female spleen.
    Male thorax with lymphatic system, computer illustration. — Stock Photo
    Male thorax with lymphatic system, computer illustration.
    Illustration of silhouette of obese man with visible spleen. — Stock Photo
    Illustration of silhouette of obese man with visible spleen.
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Transparent female body silhouette with yellow colored spleen, digital illustration. — Stock Photo
    Transparent female body silhouette with yellow colored spleen, digital illustration.
    Digital illustration of senior man anatomy showing lymphatic system. — Stock Photo
    Digital illustration of senior man anatomy showing lymphatic system.
    Computer illustration of bacterium surrounded by neutrophil white blood cells. — Stock Photo
    Computer illustration of bacterium surrounded by neutrophil white blood cells.
    B-lymphocyte white blood cells — Stock Photo
    B-lymphocyte white blood cells
    Female thoracic lymph nodes, computer illustration. — Stock Photo
    Female thoracic lymph nodes, computer illustration.
    Illustration of spleen in male body silhouette on white background. — Stock Photo
    Illustration of spleen in male body silhouette on white background.
    Abstract male body with visible lymphatic system, digital illustration. — Stock Photo
    Abstract male body with visible lymphatic system, digital illustration.
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    People in subway of Milan during coronavirus quarantine,COVID-19 lifestyle, Duomo subway station, Lombardy, Italy, Europe — Stock Photo
    People in subway of Milan during coronavirus quarantine,COVID-19 lifestyle, Duomo subway station, Lombardy, Italy, Europe
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    3d illustration of antibodies attacking virus particles. — Stock Photo
    3d illustration of antibodies attacking virus particles.
    Grand canal during coronavirus quarantine, COVID-19 lifestyle, Venice, Veneto, Italy, Europe — Stock Photo
    Grand canal during coronavirus quarantine, COVID-19 lifestyle, Venice, Veneto, Italy, Europe
    Structure of white blood cell — Stock Photo
    Structure of white blood cell
    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.
    Transparent female body silhouette with yellow colored spleen, digital illustration. — Stock Photo
    Transparent female body silhouette with yellow colored spleen, digital illustration.
    St. Marco square during coronavirus quarantine, COVID-19 lifestyle, Venice, Veneto, Italy, Europe — Stock Photo
    St. Marco square during coronavirus quarantine, COVID-19 lifestyle, Venice, Veneto, Italy, Europe
    Tween boy getting temperature taken with an ear thermometer. — Stock Photo
    Tween boy getting temperature taken with an ear thermometer.
    Lymph nodes of male shoulder, computer illustration. — Stock Photo
    Lymph nodes of male shoulder, computer illustration.
    AIDS virus and antibodies — Stock Photo
    AIDS virus and antibodies
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    T-cells (turquoise) surrounding a tumour (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus — Stock Photo
    T-cells (turquoise) surrounding a tumour (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Bacino Orseolo during coronavirus quarantine, COVID-19 lifestyle, Venice, Veneto, Italy, Europe — Stock Photo
    Bacino Orseolo during coronavirus quarantine, COVID-19 lifestyle, Venice, Veneto, Italy, Europe
    Bacterial infection in the blood stream — Stock Photo
    Bacterial infection in the blood stream
    White blood cell, digital illustration. — Stock Photo
    White blood cell, digital illustration.
    Structure of dog lymphatic system with lymph vessels, digital illustration. — Stock Photo
    Structure of dog lymphatic system with lymph vessels, digital illustration.
    Neutrophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cell and red blood cells, digital illustration.
    Mast cell releasing histamine during allergic response, digital illustration. — Stock Photo
    Mast cell releasing histamine during allergic response, digital illustration.
    Shoulder blood supply — Stock Photo
    Shoulder blood supply
    Anatomical male body showing skeleton and lymphatic system, digital illustration. — Stock Photo
    Anatomical male body showing skeleton and lymphatic system, digital illustration.
    Anatomical male model showing lymphatic system, digital illustration. — Stock Photo
    Anatomical male model showing lymphatic system, digital illustration.
    Illustration of silhouette of obese man with visible spleen. — Stock Photo
    Illustration of silhouette of obese man with visible spleen.
    3d illustration of antibodies attacking virus particles. — Stock Photo
    3d illustration of antibodies attacking virus particles.
    Male lymphatic system of neck, digital illustration. — Stock Photo
    Male lymphatic system of neck, digital illustration.
    Neutrophil and monocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Neutrophil and monocyte white blood cells in blood smear, digital illustration.
    People in subway of Milan during coronavirus quarantine,COVID-19 lifestyle, Duomo subway station, Lombardy, Italy, Europe — Stock Photo
    People in subway of Milan during coronavirus quarantine,COVID-19 lifestyle, Duomo subway station, Lombardy, Italy, Europe
    Anatomical male model showing lymphatic system, digital illustration. — Stock Photo
    Anatomical male model showing lymphatic system, digital illustration.
    Illustration of leucocyte cell surrounded by antibodies on black background. — Stock Photo
    Illustration of leucocyte cell surrounded by antibodies on black background.
    Illustration of antibodies (purple) responding to an infection with the SARS-CoV-2 coronavirus (center) — Stock Photo
    Illustration of antibodies (purple) responding to an infection with the SARS-CoV-2 coronavirus (center)
    Parasitic dust mite on white background, digital illustration. — Stock Photo
    Parasitic dust mite on white background, digital illustration.
    Immune response to cancer — Stock Photo
    Immune response to cancer
    Digital molecular model of secondary structure of immunoglobulin G antibodies. — Stock Photo
    Digital molecular model of secondary structure of immunoglobulin G antibodies.
    Illustration of senior man silhouette with visible spleen. — Stock Photo
    Illustration of senior man silhouette with visible spleen.
    White blood cells and proteins, digital illustration. — Stock Photo
    White blood cells and proteins, digital illustration.
    Parasitic dust mite on white background, digital illustration. — Stock Photo
    Parasitic dust mite on white background, digital illustration.
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Female body showing skeleton and lymphatic system, digital illustration. — Stock Photo
    Female body showing skeleton and lymphatic system, digital illustration.
    Dendritic cell, computer illustration. A dendritic cell is a type of white blood cell. It is an antigen-presenting cell (APC), which presents antigens to T lymphocytes. — Stock Photo
    Dendritic cell, computer illustration. A dendritic cell is a type of white blood cell. It is an antigen-presenting cell (APC), which presents antigens to T lymphocytes.
    Enlarged abdominal lymph nodes in female body, conceptual computer illustration. — Stock Photo
    Enlarged abdominal lymph nodes in female body, conceptual computer illustration.
    Digital illustration of spleen in senior man body. — Stock Photo
    Digital illustration of spleen in senior man body.
    Computer illustration showing different stages of release of malaria merozoites from a red blood cell. — Stock Photo
    Computer illustration showing different stages of release of malaria merozoites from a red blood cell.
    3d illustration of red blood cells erythrocytes, white blood cells leukocytes and platelets thrombocytes. — Stock Photo
    3d illustration of red blood cells erythrocytes, white blood cells leukocytes and platelets thrombocytes.
    Lymphocyte white blood cell, digital illustration. — Stock Photo
    Lymphocyte white blood cell, digital illustration.
    Calcitonin peptide bound to receptor, illustration. — Stock Photo
    Calcitonin peptide bound to receptor, illustration.