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    Activated platelets in blood flow, illustration. — Stock Photo
    Activated platelets in blood flow, illustration.
    Gloved hand of laboratory assistant examining growth in petri dish, close-up. — Stock Photo
    Gloved hand of laboratory assistant examining growth in petri dish, close-up.
    Forensic scientist taking swab from blood-stained shirt as forensic evidence. — Stock Photo
    Forensic scientist taking swab from blood-stained shirt as forensic evidence.
    Medical samples — Stock Photo
    Medical samples
    Trichomonas vaginalis causing trichomoniasis and neutrophils, digital illustration. — Stock Photo
    Trichomonas vaginalis causing trichomoniasis and neutrophils, digital illustration.
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Cropped image of fisherman filleting fish on boat — Stock Photo
    Cropped image of fisherman filleting fish on boat
    Tick biting skin — Stock Photo
    Tick biting skin
    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 artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Angel food cake with blood oranges — Stock Photo
    Angel food cake with blood oranges
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Virus particles in blood stream, digital illustration. — Stock Photo
    Virus particles in blood stream, digital illustration.
    Stacked Petri dishes with blood samples. — Stock Photo
    Stacked Petri dishes with blood samples.
    Fresh blood oranges — Stock Photo
    Fresh blood oranges
    Forensics expert examining with flashlight evidence glass of wine at crime scene. — Stock Photo
    Forensics expert examining with flashlight evidence glass of wine at crime scene.
    Structure of dog vascular system with colorful blood vessels in transparent body, computer illustration. — Stock Photo
    Structure of dog vascular system with colorful blood vessels in transparent body, computer illustration.
    Low angle view of anatomical model showing female anatomy and internal organs, computer illustration. — Stock Photo
    Low angle view of anatomical model showing female anatomy and internal organs, computer illustration.
    Illustration of heart in human body silhouette. — Stock Photo
    Illustration of heart in human body silhouette.
    Stem cells dividing in bone marrow, digital illustration. — Stock Photo
    Stem cells dividing in bone marrow, digital illustration.
    Mature woman testing blood pressure with machine. — Stock Photo
    Mature woman testing blood pressure with machine.
    Parasitic head louse on human hair — Stock Photo
    Parasitic head louse on human hair
    Male abdominal anatomy and internal organs, computer illustration. — Stock Photo
    Male abdominal anatomy and internal organs, computer illustration.
    Senior woman using blood pressure meter. — Stock Photo
    Senior woman using blood pressure meter.
    Macrophage foam cells with lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells with lipid droplets, digital illustration.
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake — Stock Photo
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake
    Attentive laboratory technician working in blood bank — Stock Photo
    Attentive laboratory technician working in blood bank
    Bacterial infection spreading in bloodstream — Stock Photo
    Bacterial infection spreading in bloodstream
    Protozoan Plasmodium falciparum, causative agent of tropical malaria, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria, digital illustration.
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Bacterial infection in the blood stream — Stock Photo
    Bacterial infection in the blood stream
    Human cytomegalovirus particles in blood flow, digital illustration. — Stock Photo
    Human cytomegalovirus particles in blood flow, digital illustration.
    Lymphocyte white blood cell — Stock Photo
    Lymphocyte white blood cell
    Fruits, red chicory radish and walnuts with hummus — Stock Photo
    Fruits, red chicory radish and walnuts with hummus
    Human heart with colored superior vena cava, computer illustration. — Stock Photo
    Human heart with colored superior vena cava, computer illustration.
    Hepatitis B virus structure, digital illustration. — Stock Photo
    Hepatitis B virus structure, digital illustration.
    Mid section of laboratory technician analyzing chemical solution — Stock Photo
    Mid section of laboratory technician analyzing chemical solution
    Chest, neck and head arteries — Stock Photo
    Chest, neck and head arteries
    Close-up shot of delicious Various slices of citrus fruits — Stock Photo
    Close-up shot of delicious Various slices of citrus fruits
    Side view of young woman in protective mask sitting in medical armchair during blood transfusion procedure in contemporary hospital — Stock Photo
    Side view of young woman in protective mask sitting in medical armchair during blood transfusion procedure in contemporary hospital
    Female vascular system structure,computer illustration. — Stock Photo
    Female vascular system structure,computer illustration.
    Blood bags arranged in box at blood bank — Stock Photo
    Blood bags arranged in box at blood bank
    Medical nanorobot in human blood vessel, panoramic digital illustration. — Stock Photo
    Medical nanorobot in human blood vessel, panoramic digital illustration.
    Halved blood orange — Stock Photo
    Halved blood orange
    Nurse tigthing a blood pressure meters to a patient female — Stock Photo
    Nurse tigthing a blood pressure meters to a patient female
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Veterinarian in sterile gloves with surgical tweezers and scissors operating anonymous animal in hospital — Stock Photo
    Veterinarian in sterile gloves with surgical tweezers and scissors operating anonymous animal in hospital
    Illustration of bypass in human heart. — Stock Photo
    Illustration of bypass in human heart.
    Human heart in cross-section and whole with vessels on white background. — Stock Photo
    Human heart in cross-section and whole with vessels on white background.
    Female anatomy showing heart in transparent body silhouette, computer illustration. — Stock Photo
    Female anatomy showing heart in transparent body silhouette, computer illustration.
    Illustration of visible pancreas and organs in human body silhouette. — Stock Photo
    Illustration of visible pancreas and organs in human body silhouette.
    Illustration of senior woman blue silhouette with highlighted heart on white background. — Stock Photo
    Illustration of senior woman blue silhouette with highlighted heart on white background.
    Laboratory technician working on computer in blood bank — Stock Photo
    Laboratory technician working on computer in blood bank
    Skin anatomy showing tissue stratification — Stock Photo
    Skin anatomy showing tissue stratification
    Researcher hand holding vacutainer tube in front of yellow tray. — Stock Photo
    Researcher hand holding vacutainer tube in front of yellow tray.
    Section through a full term placenta — Stock Photo
    Section through a full term placenta
    Close-up of a macrophage, illustration. — Stock Photo
    Close-up of a macrophage, illustration.
    Bloody cut hand dragging on ground — Stock Photo
    Bloody cut hand dragging on ground
    Close-up of unconscious woman fallen on ground after accident — Stock Photo
    Close-up of unconscious woman fallen on ground after accident