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    Red blood cells flowing inside an artery — Stock Photo
    Red blood cells flowing inside an artery
    Foreign object in rectum — Stock Photo
    Foreign object in rectum
    Normal skeletal system of adult — Stock Photo
    Normal skeletal system of adult
    Large thrombus formation — Stock Photo
    Large thrombus formation
    Healthy digestive system — Stock Photo
    Healthy digestive system
    Nerve cells and intercellular junctions — Stock Photo
    Nerve cells and intercellular junctions
    Structural anatomy of human arm — Stock Photo
    Structural anatomy of human arm
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Shoulder bone structure and musculature — Stock Photo
    Shoulder bone structure and musculature
    Section through an osteoid osteoma — Stock Photo
    Section through an osteoid osteoma
    Centric fossil diatom frustule — Stock Photo
    Centric fossil diatom frustule
    Internal organs and digestive system — Stock Photo
    Internal organs and digestive system
    Human leg structural anatomy — Stock Photo
    Human leg structural anatomy
    Blood clot formed by red blood cells — Stock Photo
    Blood clot formed by red blood cells
    Cells trapped in fibrin protein mesh — Stock Photo
    Cells trapped in fibrin protein mesh
    Hand of a patient with osteoarthritis — Stock Photo
    Hand of a patient with osteoarthritis
    Human cell, computer illustration. — Stock Photo
    Human cell, computer illustration.
    Human brain anatomy — Stock Photo
    Human brain anatomy
    Fertilization showing sperm fertilizing an egg — Stock Photo
    Fertilization showing sperm fertilizing an egg
    Trichina spiralis roundworm — Stock Photo
    Trichina spiralis roundworm
    Female anatomy with emphasis on lungs — Stock Photo
    Female anatomy with emphasis on lungs
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Crystalline lens of the eye — Stock Photo
    Crystalline lens of the eye
    Skeletal system of infant — Stock Photo
    Skeletal system of infant
    Normal human brain — Stock Photo
    Normal human brain
    Structural anatomy of human pelvis — Stock Photo
    Structural anatomy of human pelvis
    Healthy small intestine — Stock Photo
    Healthy small intestine
    Coloured scanning electron micrograph (SEM) of a section through fractured skeletal muscle to show large muscle bundles, or fascicles (green), surrounded by perimysium connective tissue (pink). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through fractured skeletal muscle to show large muscle bundles, or fascicles (green), surrounded by perimysium connective tissue (pink).
    Section of the small intestine — Stock Photo
    Section of the small intestine
    Apoptosis of neuron cell — Stock Photo
    Apoptosis of neuron cell
    Healthy human teeth — Stock Photo
    Healthy human teeth
    Skeletal system of adult female — Stock Photo
    Skeletal system of adult female
    Healthy and Infected bronchus — Stock Photo
    Healthy and Infected bronchus
    Adult male skeleton — Stock Photo
    Adult male skeleton
    Photosynthetic Navicula sp. diatom — Stock Photo
    Photosynthetic Navicula sp. diatom
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Metaphase chromosome structure — Stock Photo
    Metaphase chromosome structure
    Child skeletal system — Stock Photo
    Child skeletal system
    Trees, reflection,Okavango Delta, Botswana — Stock Photo
    Trees, reflection,Okavango Delta, Botswana
    Removal of colon polyp — Stock Photo
    Removal of colon polyp
    Human tooth decay — Stock Photo
    Human tooth decay
    Human anatomical structure — Stock Photo
    Human anatomical structure
    Skeletal system of adult female — Stock Photo
    Skeletal system of adult female
    Lactobacillus bulgaricus bacteria — Stock Photo
    Lactobacillus bulgaricus bacteria
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Human skeletal system on dark background — Stock Photo
    Human skeletal system on dark background
    Normal heart anatomy — Stock Photo
    Normal heart anatomy
    Visual rendering of Animal cells — Stock Photo
    Visual rendering of Animal cells
    Human red blood cells — Stock Photo
    Human red blood cells
    Colon polyp removal procedure — Stock Photo
    Colon polyp removal procedure
    Healthy large intestines — Stock Photo
    Healthy large intestines
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Spine, rib cage and arm bones — Stock Photo
    Spine, rib cage and arm bones
    Removal of colon polyp — Stock Photo
    Removal of colon polyp
    Human midbrain anatomy — Stock Photo
    Human midbrain anatomy
    Healthy colon and skeletal system — Stock Photo
    Healthy colon and skeletal system
    Human hip bones anatomy — Stock Photo
    Human hip bones anatomy
    Cingulate gyrus in the brain — Stock Photo
    Cingulate gyrus in the brain
    Scientist viewing bacteria cultures — Stock Photo
    Scientist viewing bacteria cultures
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces