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    Open sandwich with brown sauce on plate — Stock Photo
    Open sandwich with brown sauce on plate
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Agar plate and specimen brush on blue background. — Stock Photo
    Agar plate and specimen brush on blue background.
    Male body silhouette showing heart anatomy, computer illustration. — Stock Photo
    Male body silhouette showing heart anatomy, computer illustration.
    Medical nanorobot in human blood vessel, panoramic digital illustration. — Stock Photo
    Medical nanorobot in human blood vessel, panoramic digital illustration.
    Anatomy of female kidneys reproductive organs — Stock Photo
    Anatomy of female kidneys reproductive organs
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    Cropped shot of hands of woman testing cholesterol. — Stock Photo
    Cropped shot of hands of woman testing cholesterol.
    Mobile health. Measuring blood pressure and entering data in the smart phone. — Stock Photo
    Mobile health. Measuring blood pressure and entering data in the smart phone.
    Vascular system of female upper body, computer illustration. — Stock Photo
    Vascular system of female upper body, computer illustration.
    Red human heart on black background, computer illustration. — Stock Photo
    Red human heart on black background, computer illustration.
    3d illustration of violet bacteria on blue surface. — Stock Photo
    3d illustration of violet bacteria on blue surface.
    Lymphocyte white blood cell in human lymphatic system, digital illustration. — Stock Photo
    Lymphocyte white blood cell in human lymphatic system, digital illustration.
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept. — Stock Photo
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept.
    Paramedics examining injured girl on street — Stock Photo
    Paramedics examining injured girl on street
    Parasitic louse on human head skin, digital illustration. — Stock Photo
    Parasitic louse on human head skin, digital illustration.
    Person donating blood in the hospital, cropped — Stock Photo
    Person donating blood in the hospital, cropped
    Blood oranges with grapefruits — Stock Photo
    Blood oranges with grapefruits
    Deconstructed blood orange and fennel salad — Stock Photo
    Deconstructed blood orange and fennel salad
    Normal human renal artery — Stock Photo
    Normal human renal artery
    Visual render of Human skin anatomy — Stock Photo
    Visual render of Human skin anatomy
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Non-activated blood cell fragments platelets, coloured scanning electron micrograph. — Stock Photo
    Non-activated blood cell fragments platelets, coloured scanning electron micrograph.
    Veins in transparent dog body, anatomical computer illustration. — Stock Photo
    Veins in transparent dog body, anatomical computer illustration.
    Blood oranges and limes — Stock Photo
    Blood oranges and limes
    Illustration of silhouette of obese man with visible heart. — Stock Photo
    Illustration of silhouette of obese man with visible heart.
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system. — Stock Photo
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system.
    Computer illustration of unicellular fungus (yeast) Candida auris — Stock Photo
    Computer illustration of unicellular fungus (yeast) Candida auris
    Spilt blood sample on white background. — Stock Photo
    Spilt blood sample on white background.
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration.
    A doctor in latex gloves using finger cuff to examine blood pressure of little girl in casual yellow dress — Stock Photo
    A doctor in latex gloves using finger cuff to examine blood pressure of little girl in casual yellow dress
    Healthy female vascular system, computer illustration — Stock Photo
    Healthy female vascular system, computer illustration
    Human structural anatomy — Stock Photo
    Human structural anatomy
    Digital illustration of trypanosome protozoan parasites in blood causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasites in blood causing sleeping sickness transmitted by blood.
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body — Stock Photo
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body
    Sensory palps of Rabbit flea — Stock Photo
    Sensory palps of Rabbit flea
    Laboratory technician analyzing blood bag in blood bank — Stock Photo
    Laboratory technician analyzing blood bag in blood bank
    Medical illustration of blocked artery disorder. — Stock Photo
    Medical illustration of blocked artery disorder.
    Blood stream and artery walls — Stock Photo
    Blood stream and artery walls
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Blood vessels of the knee, computer illustration — Stock Photo
    Blood vessels of the knee, computer illustration
    Unrecognizable female medic in mask and gloves holding tube with blood sample in modern lab in clinic — Stock Photo
    Unrecognizable female medic in mask and gloves holding tube with blood sample in modern lab in clinic
    Illustration of bypass in human heart. — Stock Photo
    Illustration of bypass in human heart.
    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.
    Female scientist holding microscope slide with blood sample. — Stock Photo
    Female scientist holding microscope slide with blood sample.
    Medical illustration of human blood vessels of neck. — Stock Photo
    Medical illustration of human blood vessels of neck.
    Digital illustration of transparent elderly man body with visible orange-colored heart. — Stock Photo
    Digital illustration of transparent elderly man body with visible orange-colored heart.
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Side view of young asian male doctor checking blood pressure of caucasian boy patient in clinic — Stock Photo
    Side view of young asian male doctor checking blood pressure of caucasian boy patient in clinic
    Illustration of two bypasses in human heart. — Stock Photo
    Illustration of two bypasses in human heart.
    Top view of mosaic or pattern of positive blood tests and syringe over blue background. — Stock Photo
    Top view of mosaic or pattern of positive blood tests and syringe over blue background.
    Doctor testing patient blood sugar for diabetes in examination room — Stock Photo
    Doctor testing patient blood sugar for diabetes in examination room
    Trichomonas vaginalis causing trichomoniasis and neutrophils, digital illustration. — Stock Photo
    Trichomonas vaginalis causing trichomoniasis and neutrophils, digital illustration.
    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.
    Male body silhouette showing heart anatomy, computer illustration. — Stock Photo
    Male body silhouette showing heart anatomy, computer illustration.
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample. — Stock Photo
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample.
    Red blood cells in the bloodstream — Stock Photo
    Red blood cells in the bloodstream
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration.
    Malaria-infected mosquito piercing skin and transmitting malaria parasites into bloodstream. — Stock Photo
    Malaria-infected mosquito piercing skin and transmitting malaria parasites into bloodstream.
    Digital illustration of blood vessels of throat of senior man. — Stock Photo
    Digital illustration of blood vessels of throat of senior man.