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2461 results

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    Prosthetic heart valves — Stock Photo
    Prosthetic heart valves
    Artery partially blocked by an atheroma — Stock Photo
    Artery partially blocked by an atheroma
    Tick biting skin — Stock Photo
    Tick biting skin
    Tick showing its mouthparts — Stock Photo
    Tick showing its mouthparts
    Brain with aneurysm in the middle cerebral artery — Stock Photo
    Brain with aneurysm in the middle cerebral artery
    Endobronchial valves fitted to treat tuberculosis — Stock Photo
    Endobronchial valves fitted to treat tuberculosis
    Hand of a patient with osteoarthritis — Stock Photo
    Hand of a patient with osteoarthritis
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Tick biting skin — Stock Photo
    Tick biting skin
    Small pouches in the large intestine — Stock Photo
    Small pouches in the large intestine
    Parasitic Bedbug on human skin — Stock Photo
    Parasitic Bedbug on human skin
    Ankle of patient with osteoarthritis — Stock Photo
    Ankle of patient with osteoarthritis
    Malignant tumor in the colon — Stock Photo
    Malignant tumor in the colon
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    Brain with aneurysm in the middle cerebral artery — Stock Photo
    Brain with aneurysm in the middle cerebral artery
    Pacemaker in heart disease — Stock Photo
    Pacemaker in heart disease
    Tick biting skin — Stock Photo
    Tick biting skin
    Large intestine showing diverticulitis — Stock Photo
    Large intestine showing diverticulitis
    Ankle of patient with osteoarthritis — Stock Photo
    Ankle of patient with osteoarthritis
    Parasitic head louse on human hair — Stock Photo
    Parasitic head louse on human hair
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Colorectal cancer cell dividing — Stock Photo
    Colorectal cancer cell dividing
    Coloured X-ray of arthritic knees — Stock Photo
    Coloured X-ray of arthritic knees
    Ankle of patient with osteoarthritis — Stock Photo
    Ankle of patient with osteoarthritis
    Red blood cells — Stock Photo
    Red blood cells
    Malignant tumor in a woman breast — Stock Photo
    Malignant tumor in a woman breast
    Coloured X-ray of arthritic knees — Stock Photo
    Coloured X-ray of arthritic knees
    Parasitic tick feeding — Stock Photo
    Parasitic tick feeding
    Mosquito of family Culicidae — Stock Photo
    Mosquito of family Culicidae
    Bacterial blood infection — Stock Photo
    Bacterial blood infection
    Hepatitis E virus particles — Stock Photo
    Hepatitis E virus particles
    Narrowed artery causing atherosclerosis — Stock Photo
    Narrowed artery causing atherosclerosis
    Colon diverticuli pathology — Stock Photo
    Colon diverticuli pathology
    Degenerative Arthritis of the knee — Stock Photo
    Degenerative Arthritis of the knee
    Pubic louse, SEM — Stock Photo
    Pubic louse, SEM
    Virus particles or virions — Stock Photo
    Virus particles or virions
    Bacterial infection spreading in bloodstream — Stock Photo
    Bacterial infection spreading in bloodstream
    Large intestine showing diverticulitis — Stock Photo
    Large intestine showing diverticulitis
    Narrowed artery causing atherosclerosis — Stock Photo
    Narrowed artery causing atherosclerosis
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Parasitic head louse on human hair — Stock Photo
    Parasitic head louse on human hair
    Adult parasitic louse — Stock Photo
    Adult parasitic louse
    Bacterial blood infection — Stock Photo
    Bacterial blood infection
    Colorectal cancer cell dividing — Stock Photo
    Colorectal cancer cell dividing
    Red and white blood cells aggregating — Stock Photo
    Red and white blood cells aggregating
    Malignant tumor in a woman breast — Stock Photo
    Malignant tumor in a woman breast
    Human immunodeficiency virus infection — Stock Photo
    Human immunodeficiency virus infection
    Healthy Red blood cells — Stock Photo
    Healthy Red blood cells
    Trypanosoma brucei protozoan — Stock Photo
    Trypanosoma brucei protozoan
    Wilms tumour of the kidney — Stock Photo
    Wilms tumour of the kidney
    Artery partially blocked by an atheroma — Stock Photo
    Artery partially blocked by an atheroma
    Head louse on human hair — Stock Photo
    Head louse on human hair
    Parasitic Bedbug on human skin — Stock Photo
    Parasitic Bedbug on human skin
    HIV particles in the bloodstream — Stock Photo
    HIV particles in the bloodstream
    Sickle cell anemia — Stock Photo
    Sickle cell anemia
    Large intestine showing diverticulitis — Stock Photo
    Large intestine showing diverticulitis
    Parasitic tick biting skin — Stock Photo
    Parasitic tick biting skin