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    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue.
    Human eye anatomy — Stock Photo
    Human eye anatomy
    Conceptual computer illustration of human brain structure shown in cross-section — Stock Photo
    Conceptual computer illustration of human brain structure shown in cross-section
    Low section of woman standing with feets crossed — Stock Photo
    Low section of woman standing with feets crossed
    Visual render of Human skin anatomy — Stock Photo
    Visual render of Human skin anatomy
    Visual render of Human skin anatomy — Stock Photo
    Visual render of Human skin anatomy
    Cake with cream and fruit filling and chocolate decoration — Stock Photo
    Cake with cream and fruit filling and chocolate decoration
    Section of the small intestine — Stock Photo
    Section of the small intestine
    Brain with aneurysm in the middle cerebral artery — Stock Photo
    Brain with aneurysm in the middle cerebral artery
    Close-up of sliced heirloom cherry tomatoes, full frame — Stock Photo
    Close-up of sliced heirloom cherry tomatoes, full frame
    View of Heart anatomy — Stock Photo
    View of Heart anatomy
    Human skull transversal cross-section view on white background. — Stock Photo
    Human skull transversal cross-section view on white background.
    Cross section of nautilus shell with spiral structure. — Stock Photo
    Cross section of nautilus shell with spiral structure.
    Small intestine wall — Stock Photo
    Small intestine wall
    3d illustration of flu pathogen in cross-section. — Stock Photo
    3d illustration of flu pathogen in cross-section.
    Digital diagram illustration of internal structure of Mars — Stock Photo
    Digital diagram illustration of internal structure of Mars
    Close-Up of a woman's leg sitting on the floor — Stock Photo
    Close-Up of a woman's leg sitting on the floor
    Cross section of bright home — Stock Photo
    Cross section of bright home
    Human skull mid sagittal cross-section with brain, perspective view on black background. — Stock Photo
    Human skull mid sagittal cross-section with brain, perspective view on black background.
    Cropped image of woman doing speed ladder drill in sunny park — Stock Photo
    Cropped image of woman doing speed ladder drill in sunny park
    Woman rubbing hands in chalk — Stock Photo
    Woman rubbing hands in chalk
    Anatomy of human kidney function with labels — Stock Photo
    Anatomy of human kidney function with labels
    Digital illustration of diseased fatty human heart and cross-section close-up of atherosclerotic plaque histological structure, necrotic centre, foam cells and T-lymphocytes. — Stock Photo
    Digital illustration of diseased fatty human heart and cross-section close-up of atherosclerotic plaque histological structure, necrotic centre, foam cells and T-lymphocytes.
    Leaf epidermis, light micrograph. Leaf epidermis has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration. — Stock Photo
    Leaf epidermis, light micrograph. Leaf epidermis has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration.
    Half of lemon on white background. — Stock Photo
    Half of lemon on white background.
    Human eye anatomy — Stock Photo
    Human eye anatomy
    Close-up of sliced ripe heritage tomatoes, packed into full frame, inverted image. — Stock Photo
    Close-up of sliced ripe heritage tomatoes, packed into full frame, inverted image.
    Wilms tumour of the kidney — Stock Photo
    Wilms tumour of the kidney
    Teenage girls sitting at edge of ramp — Stock Photo
    Teenage girls sitting at edge of ramp
    Fruit cake cut in half on white background — Stock Photo
    Fruit cake cut in half on white background
    Cross-section of human scalp tissue, light micrograph. — Stock Photo
    Cross-section of human scalp tissue, light micrograph.
    Secondary carcinoma of the lung — Stock Photo
    Secondary carcinoma of the lung
    Medical illustration of fetus in the womb — Stock Photo
    Medical illustration of fetus in the womb
    Front view mid section of an athletic man wearing sports clothes cross training at a gym, sitting with knees up, exercising on a rowing machine — Stock Photo
    Front view mid section of an athletic man wearing sports clothes cross training at a gym, sitting with knees up, exercising on a rowing machine
    Female breast anatomy — Stock Photo
    Female breast anatomy
    Red onion and shallot — Stock Photo
    Red onion and shallot
    Slice of kiwi fruit — Stock Photo
    Slice of kiwi fruit
    Woman resting by laptop and book on bed — Stock Photo
    Woman resting by laptop and book on bed
    Low section of businesswoman with laptop walking on road — Stock Photo
    Low section of businesswoman with laptop walking on road
    View of Breast anatomy — Stock Photo
    View of Breast anatomy
    Cropped image of sportsman and sportswoman jumping ropes — Stock Photo
    Cropped image of sportsman and sportswoman jumping ropes
    Mid section of businesswoman using mobile phone in waiting area at airport terminal — Stock Photo
    Mid section of businesswoman using mobile phone in waiting area at airport terminal
    Mri scan (magnetic resonance imaging) of the human head. — Stock Photo
    Mri scan (magnetic resonance imaging) of the human head.
    View of Breast anatomy — Stock Photo
    View of Breast anatomy
    Digital illustration of cross-section of blood vessel with acute lymphoblastic leukaemia showing abundant lymphoblasts. — Stock Photo
    Digital illustration of cross-section of blood vessel with acute lymphoblastic leukaemia showing abundant lymphoblasts.
    Coloured scanning electron micrograph (SEM) of a section through a foetal olfactory (smelling) sense organ known as the vomeronasal organ (VNO), or Jacobson organ. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a foetal olfactory (smelling) sense organ known as the vomeronasal organ (VNO), or Jacobson organ.
    Human skin anatomy and blood supply — Stock Photo
    Human skin anatomy and blood supply
    Plant leaf structure, illustration. Cross-section of a typical plant leaf. In most plants, leaves are the major site of photosynthesis — Stock Photo
    Plant leaf structure, illustration. Cross-section of a typical plant leaf. In most plants, leaves are the major site of photosynthesis
    Illustration of synapse structure in cross section. — Stock Photo
    Illustration of synapse structure in cross section.
    Fruit cakes with fresh raspberries — Stock Photo
    Fruit cakes with fresh raspberries
    Mid rib of an olive leaf — Stock Photo
    Mid rib of an olive leaf
    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue.
    Woman's legs lying on a blanket in the mountains, Switzerland — Stock Photo
    Woman's legs lying on a blanket in the mountains, Switzerland
    Round cakes with cream decoration on black background — Stock Photo
    Round cakes with cream decoration on black background
    Halved raw round red cabbage cut across middle. — Stock Photo
    Halved raw round red cabbage cut across middle.
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Cropped image of sportsman standing with crossed hands near fence at sports ground — Stock Photo
    Cropped image of sportsman standing with crossed hands near fence at sports ground
    Coloured scanning electron micrograph (SEM) of a sectioned artery containing red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a sectioned artery containing red blood cells (erythrocytes, red).
    Human heart anatomy showing valves, cross section illustration. — Stock Photo
    Human heart anatomy showing valves, cross section illustration.
    Mid-section of businessman standing with arms crossed in train — Stock Photo
    Mid-section of businessman standing with arms crossed in train