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14349451 results

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    Parasitic tick biting skin — Stock Photo
    Parasitic tick biting skin
    Red blood cells — Stock Photo
    Red blood cells
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    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.
    Realistic human body model showing male anatomy with internal organs, digital illustration. — Stock Photo
    Realistic human body model showing male anatomy with internal organs, digital illustration.
    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.
    Female abdominal blood vessels, computer illustration. — Stock Photo
    Female abdominal blood vessels, computer illustration.
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Digital illustration of elderly man body with visible orange-colored heart. — Stock Photo
    Digital illustration of elderly man body with visible orange-colored heart.
    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.
    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.
    Grey human heart model on red background, computer illustration. — Stock Photo
    Grey human heart model on red background, computer illustration.
    3d illustration of leukocyte cells secreting allergen antibodies while allergy. — Stock Photo
    3d illustration of leukocyte cells secreting allergen antibodies while allergy.
    Cross-section of human artery — Stock Photo
    Cross-section of human artery
    Bacterial blood infection — Stock Photo
    Bacterial blood infection
    Abdominal vascular system in male body, computer illustration. — Stock Photo
    Abdominal vascular system in male body, computer illustration.
    Female upper body anatomy and internal organs, computer illustration. — Stock Photo
    Female upper body anatomy and internal organs, computer illustration.
    Representation of human anatomy — Stock Photo
    Representation of human anatomy
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Red blood cells — Stock Photo
    Red blood cells
    Illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Illustration of cancer cell being attacked by white blood cells.
    Colored scanning electron micrograph of human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte. — Stock Photo
    Colored scanning electron micrograph of human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte.
    Digital illustration of nit egg of human head louse attached to human hair. — Stock Photo
    Digital illustration of nit egg of human head louse attached to human hair.
    Illustration of blue silhouette of obese woman with highlighted heart on white background. — Stock Photo
    Illustration of blue silhouette of obese woman with highlighted heart on white background.
    Blood vessels of human shoulder, digital illustration. — Stock Photo
    Blood vessels of human shoulder, digital illustration.
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration. — Stock Photo
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration.
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Anatomy of human hand back side — Stock Photo
    Anatomy of human hand back side
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Illustration of human heart in body silhouette. — Stock Photo
    Illustration of human heart in body silhouette.
    Female anatomy showing heart in transparent body silhouette, computer illustration. — Stock Photo
    Female anatomy showing heart in transparent body silhouette, computer illustration.
    Anatomy of back of human hand — Stock Photo
    Anatomy of back of human hand
    3d rendered illustration of vascular system of human head. — Stock Photo
    3d rendered illustration of vascular system of human head.
    Illustration of fat inside of human artery. — Stock Photo
    Illustration of fat inside of human artery.
    Heart anatomy in male thorax, computer illustration. — Stock Photo
    Heart anatomy in male thorax, computer illustration.
    Digital illustration of human leg affected by lymphatic filariasis and close-up of microfilaria worm parasite. — Stock Photo
    Digital illustration of human leg affected by lymphatic filariasis and close-up of microfilaria worm parasite.
    Healthy heart on black background, 3D computed tomography scan. — Stock Photo
    Healthy heart on black background, 3D computed tomography scan.
    Hepatitis E virus particles — Stock Photo
    Hepatitis E virus particles
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia. — Stock Photo
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia.
    Adult male anatomy — Stock Photo
    Adult male anatomy
    Illustration of human heart anatomy on grey background. — Stock Photo
    Illustration of human heart anatomy on grey background.
    Blood vessels of human head and neck, digital illustration. — Stock Photo
    Blood vessels of human head and neck, digital illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    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.
    Human anatomy emphasizing upper-body — Stock Photo
    Human anatomy emphasizing upper-body
    Mucosa of the trachea — Stock Photo
    Mucosa of the trachea
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Human cytomegalovirus particles in blood flow, digital illustration. — Stock Photo
    Human cytomegalovirus particles in blood flow, digital illustration.
    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.
    3d illustration of red blood cells disintegrating. — Stock Photo
    3d illustration of red blood cells disintegrating.
    Illustration of healthy heart in human body silhouette. — Stock Photo
    Illustration of healthy heart in human body silhouette.
    Female body with visible vascular system, digital illustration. — Stock Photo
    Female body with visible vascular system, digital illustration.
    Female body with visible cardiovascular system, digital illustration — Stock Photo
    Female body with visible cardiovascular system, digital illustration
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Human heart with coronary veins, digital illustration. — Stock Photo
    Human heart with coronary veins, digital illustration.
    Human red blood cells — Stock Photo
    Human red blood cells
    Male head and neck anatomy and musculature, digital illustration. — Stock Photo
    Male head and neck anatomy and musculature, digital illustration.
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Pathological anatomy of atherosclerosis — Stock Photo
    Pathological anatomy of atherosclerosis