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    Macrophage foam cell with lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cell with lipid droplets, digital illustration.
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Parasitic louse on human head skin, digital illustration. — Stock Photo
    Parasitic louse on human head skin, digital illustration.
    Human heart with coronary blood vessels, digital illustration. — Stock Photo
    Human heart with coronary blood vessels, digital illustration.
    Normal and healthy abdomen anatomy — Stock Photo
    Normal and healthy abdomen anatomy
    Woman checking blood pressure test at hospital — Stock Photo
    Woman checking blood pressure test at hospital
    Human white blood cell — Stock Photo
    Human white blood cell
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample. — Stock Photo
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample.
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Freshly squeezed blood orange juice in glass with drinking straws — Stock Photo
    Freshly squeezed blood orange juice in glass with drinking straws
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus — Stock Photo
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus
    Paramedics examining injured girl on street — Stock Photo
    Paramedics examining injured girl on street
    Client with red marks on back after receiving cupping therapy. — Stock Photo
    Client with red marks on back after receiving cupping therapy.
    3d rendered illustration of colored female heart in body silhouette. — Stock Photo
    3d rendered illustration of colored female heart in body silhouette.
    Illustration of CAR DNA modified T-cell immunotherapy process for cancer treatment. — Stock Photo
    Illustration of CAR DNA modified T-cell immunotherapy process for cancer treatment.
    Red blood cells — Stock Photo
    Red blood cells
    Female heart and vascular system, digital illustration. — Stock Photo
    Female heart and vascular system, digital illustration.
    Female silhouette showing heart anatomy, computer illustration. — Stock Photo
    Female silhouette showing heart anatomy, computer illustration.
    Forensics expert dusting for fingerprints at crime scene. — Stock Photo
    Forensics expert dusting for fingerprints at crime scene.
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Cancer cells with blood vessel formation — Stock Photo
    Cancer cells with blood vessel formation
    Female silhouette showing heart anatomy, computer illustration. — Stock Photo
    Female silhouette showing heart anatomy, computer illustration.
    Researcher extracting blood from a vial — Stock Photo
    Researcher extracting blood from a vial
    Realistic body model showing female anatomy on white background, computer illustration. — Stock Photo
    Realistic body model showing female anatomy on white background, computer illustration.
    Coloured angiogram (blood vessel X-ray) of arteries in the pelvic region. — Stock Photo
    Coloured angiogram (blood vessel X-ray) of arteries in the pelvic region.
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Top view of crop unrecognizable doctor measuring blood oxygen of patient with heart rate monitor at table with stethoscope in clinic — Stock Photo
    Top view of crop unrecognizable doctor measuring blood oxygen of patient with heart rate monitor at table with stethoscope in clinic
    Female silhouette showing heart anatomy, computer illustration. — Stock Photo
    Female silhouette showing heart anatomy, computer illustration.
    Red human heart on black background, computer illustration. — Stock Photo
    Red human heart on black background, computer illustration.
    Heart anatomy in male thorax, computer illustration. — Stock Photo
    Heart anatomy in male thorax, computer illustration.
    Stacked Petri dishes with blood agar on plain background. — Stock Photo
    Stacked Petri dishes with blood agar on plain background.
    Arteries in transparent dog body, anatomical computer illustration. — Stock Photo
    Arteries in transparent dog body, anatomical computer illustration.
    Illustration of transparent gray silhouette of male body with colored heart. — Stock Photo
    Illustration of transparent gray silhouette of male body with colored heart.
    Sickle cell anemia — Stock Photo
    Sickle cell anemia
    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
    Blood stream and artery walls — Stock Photo
    Blood stream and artery walls
    Close-up of human blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various medical samples in test tubes while screening in medical lab.
    Illustration of eosinophil white blood cell with purple lobed nuclei. — Stock Photo
    Illustration of eosinophil white blood cell with purple lobed nuclei.
    Close-up of pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting blood sample into microcentrifuge tubes.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Illustration of silhouette of obese man with visible heart. — Stock Photo
    Illustration of silhouette of obese man with visible heart.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Protozoan Plasmodium malariae inside red blood cell in the schizont stage, computer illustration — Stock Photo
    Protozoan Plasmodium malariae inside red blood cell in the schizont stage, computer illustration
    Used surgical swab — Stock Photo
    Used surgical swab
    3d rendered illustration of blue silhouette of man with chest pain on black background. — Stock Photo
    3d rendered illustration of blue silhouette of man with chest pain on black background.
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.
    Illustration of human blood cells flowing through blood vessel. — Stock Photo
    Illustration of human blood cells flowing through blood vessel.
    Cardiovascular system in normal male body, computer illustration. — Stock Photo
    Cardiovascular system in normal male body, computer illustration.
    Male body silhouette showing heart anatomy, computer illustration. — Stock Photo
    Male body silhouette showing heart anatomy, computer illustration.
    Laboratory technician analyzing blood bag in blood bank — Stock Photo
    Laboratory technician analyzing blood bag in blood bank
    Crop unrecognizable surgeon in protective gloves suturing wound on nose of anonymous patient during rhinoplasty surgery in hospital — Stock Photo
    Crop unrecognizable surgeon in protective gloves suturing wound on nose of anonymous patient during rhinoplasty surgery in hospital
    Adult parasitic louse — Stock Photo
    Adult parasitic louse
    Human blood cells, light micrograph. — Stock Photo
    Human blood cells, light micrograph.
    Prosthetic heart valves — Stock Photo
    Prosthetic heart valves
    Mucosa of the trachea — Stock Photo
    Mucosa of the trachea
    Agama wild lizard standing — Stock Photo
    Agama wild lizard standing
    Female body with visible cardiovascular system, digital illustration. — Stock Photo
    Female body with visible cardiovascular system, digital illustration.
    Male back anatomy and skeletal system, computer illustration. — Stock Photo
    Male back anatomy and skeletal system, computer illustration.
    Three blood oranges — Stock Photo
    Three blood oranges
    Arteries in transparent dog body, cropped, anatomical computer illustration. — Stock Photo
    Arteries in transparent dog body, cropped, anatomical computer illustration.