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    Petri dishes with blood agar stacked in microbiology lab. — Stock Photo
    Petri dishes with blood agar stacked in microbiology lab.
    Digital illustration of human body with external haemorrhoids. — Stock Photo
    Digital illustration of human body with external haemorrhoids.
    Vascular system of female human head, computer illustration. — Stock Photo
    Vascular system of female human head, computer illustration.
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Human heart with coronary blood vessels, digital illustration. — Stock Photo
    Human heart with coronary blood vessels, digital illustration.
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Male head and neck anatomy, digital illustration. — Stock Photo
    Male head and neck anatomy, digital illustration.
    Stent and balloon catheter for implantation into blood vessel, digital illustration. — Stock Photo
    Stent and balloon catheter for implantation into blood vessel, digital illustration.
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration. — Stock Photo
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer 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.
    School aged boy dressed as Dracula posing in costume on Halloween — Stock Photo
    School aged boy dressed as Dracula posing in costume on Halloween
    From above of crop female nurse in protective gloves with bag of blood in hand working with patient during procedure of blood donation in modern medical center — Stock Photo
    From above of crop female nurse in protective gloves with bag of blood in hand working with patient during procedure of blood donation in modern medical center
    Cropped image of Doctor checking blood pressure of patient in clinic — Stock Photo
    Cropped image of Doctor checking blood pressure of patient in clinic
    Realistic overweight body model showing female anatomy on white background, computer illustration. — Stock Photo
    Realistic overweight body model showing female anatomy on white background, computer illustration.
    Coloured scanning electron micrograph (SEM) of a section through a foetal vein filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a foetal vein filled with red blood cells (erythrocytes, red).
    Neutrophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cell and red blood cells, digital illustration.
    Blood vessels of the head, computer illustration — Stock Photo
    Blood vessels of the head, computer illustration
    Illustration of leucocyte cell surrounded by antibodies on black background. — Stock Photo
    Illustration of leucocyte cell surrounded by antibodies on black background.
    Bowl with soup and glass with parsley — Stock Photo
    Bowl with soup and glass with parsley
    Colored scanning electron micrograph image of tooth dentine, mineralised connective tissue found under tooth enamel. — Stock Photo
    Colored scanning electron micrograph image of tooth dentine, mineralised connective tissue found under tooth enamel.
    Nurse tigthing a blood pressure meters to a patient female — Stock Photo
    Nurse tigthing a blood pressure meters to a patient female
    Human silhouette showing heart with blood vessels and bronchial tree on white background. — Stock Photo
    Human silhouette showing heart with blood vessels and bronchial tree on white background.
    Espresso and chocolate granola bowl with yoghurt and blood oranges — Stock Photo
    Espresso and chocolate granola bowl with yoghurt and blood oranges
    Veterinarian examining dog in veterinary surgery — Stock Photo
    Veterinarian examining dog in veterinary surgery
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Medical illustration of arteries, veins and lymphatic system in human legs — Stock Photo
    Medical illustration of arteries, veins and lymphatic system in human legs
    Medical illustration of alveoli on black background — Stock Photo
    Medical illustration of alveoli on black background
    Mast cell releasing histamine during allergic response, digital illustration. — Stock Photo
    Mast cell releasing histamine during allergic response, digital illustration.
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Lymphocyte white blood cells in human lymphatic system, digital illustration. — Stock Photo
    Lymphocyte white blood cells in human lymphatic system, digital illustration.
    Nurse checking blood pressure of senior patient in hospital — Stock Photo
    Nurse checking blood pressure of senior patient in hospital
    Illustration of platelets (thrombocytes) that have been activated (with extensions) and those that are non-activated. Platelets are part of the blood. When a blood vessel is damaged, the platelets become activated and secrete chemicals that cause the — Stock Photo
    Illustration of platelets (thrombocytes) that have been activated (with extensions) and those that are non-activated. Platelets are part of the blood. When a blood vessel is damaged, the platelets become activated and secrete chemicals that cause the
    Crop anonymous female volunteer giving blood for save life in modern blood transfusion center — Stock Photo
    Crop anonymous female volunteer giving blood for save life in modern blood transfusion center
    Illustration of male office worker vascular system. — Stock Photo
    Illustration of male office worker vascular system.
    Illustration of heart and close-up of infection bacteria in male body silhouette on black background. — Stock Photo
    Illustration of heart and close-up of infection bacteria in male body silhouette on black background.
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    From above coronavirus negative and positive blood test near vaccine flask and syringe on blue background — Stock Photo
    From above coronavirus negative and positive blood test near vaccine flask and syringe on blue background
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Parasitic louse on human head skin, digital illustration. — Stock Photo
    Parasitic louse on human head skin, digital illustration.
    Shoulder blood supply — Stock Photo
    Shoulder blood supply
    Blood oranges, whole and halved, on a grey concrete surface — Stock Photo
    Blood oranges, whole and halved, on a grey concrete surface
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Laboratory technician using digital tablet in blood bank — Stock Photo
    Laboratory technician using digital tablet in blood bank
    Female upper body anatomy and muscular system, computer illustration. — Stock Photo
    Female upper body anatomy and muscular system, computer illustration.
    Young man with nosebleed looking in mirror. — Stock Photo
    Young man with nosebleed looking in mirror.
    Group of surgeons performing operation in operation theater of hospital — Stock Photo
    Group of surgeons performing operation in operation theater of hospital
    Blood pressure and circulatory system — Stock Photo
    Blood pressure and circulatory system
    Realistic human heart and blood vessels on black background, digital illustration. — Stock Photo
    Realistic human heart and blood vessels on black background, digital illustration.
    A green smoothie, lemon juice, and blood orange juice in glasses — Stock Photo
    A green smoothie, lemon juice, and blood orange juice in glasses
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Hand of researcher holding vacutainer tube above pool of blood and syringe. — Stock Photo
    Hand of researcher holding vacutainer tube above pool of blood and syringe.
    Mature male doctor processing donor blood in bags. — Stock Photo
    Mature male doctor processing donor blood in bags.
    Female anatomy showing heart in transparent body silhouette, computer illustration. — Stock Photo
    Female anatomy showing heart in transparent body silhouette, computer illustration.
    Female abdominal organs, computer illustration. — Stock Photo
    Female abdominal organs, computer illustration.
    Closeup view of blood orange drink with ice cubes — Stock Photo
    Closeup view of blood orange drink with ice cubes
    Hepatitis E virus particles — Stock Photo
    Hepatitis E virus particles
    Senior couple checking blood pressure with sphygmomanometer in living room at home — Stock Photo
    Senior couple checking blood pressure with sphygmomanometer in living room at home
    Little girl having finger prick test in medical clinic. — Stock Photo
    Little girl having finger prick test in medical clinic.