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    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs — Stock Photo
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs
    Coloured scanning electron micrograph (SEM) of epithelial cells lining the human trachea (windpipe). — Stock Photo
    Coloured scanning electron micrograph (SEM) of epithelial cells lining the human trachea (windpipe).
    Coloured scanning electron micrograph of 293T cell in early stage of programmed apoptosis cell death. — Stock Photo
    Coloured scanning electron micrograph of 293T cell in early stage of programmed apoptosis cell death.
    Girl sitting at a table painting — Stock Photo
    Girl sitting at a table painting
    A nut mixture with mulberries — Stock Photo
    A nut mixture with mulberries
    Colourful boiled cauliflower — Stock Photo
    Colourful boiled cauliflower
    Heart-shaped biscuits — Stock Photo
    Heart-shaped biscuits
    Breast cancer screening — Stock Photo
    Breast cancer screening
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes. — Stock Photo
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes.
    Small squares, computer illustration. — Stock Photo
    Small squares, computer illustration.
    Human hair shafts, digital illustration. — Stock Photo
    Human hair shafts, digital illustration.
    Amusing face made from vegetables and dill over white surface — Stock Photo
    Amusing face made from vegetables and dill over white surface
    Fried colourful cauliflower — Stock Photo
    Fried colourful cauliflower
    Coloured coronary angiogram (X-ray) of a 59 year old patient with severe stenosis (narrowing) in the left anterior interventricular coronary artery (running down left) and the left circumflex artery (centre). — Stock Photo
    Coloured coronary angiogram (X-ray) of a 59 year old patient with severe stenosis (narrowing) in the left anterior interventricular coronary artery (running down left) and the left circumflex artery (centre).
    Closeup view of Italian coffee Granita with cream in two glasses — Stock Photo
    Closeup view of Italian coffee Granita with cream in two glasses
    Aerial view of Soca river surrounded by trees, Slovenia — Stock Photo
    Aerial view of Soca river surrounded by trees, Slovenia
    Millennial girl draws fabulous images on paper while sitting at home — Stock Photo
    Millennial girl draws fabulous images on paper while sitting at home
    Easter biscuits over blue — Stock Photo
    Easter biscuits over blue
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    Cupcakes decorated with sugar eggs — Stock Photo
    Cupcakes decorated with sugar eggs
    Purple Tunisian artichokes cut in half — Stock Photo
    Purple Tunisian artichokes cut in half
    Small group of jellyfish — Stock Photo
    Small group of jellyfish
    Spanakopita - Greek spinach pie — Stock Photo
    Spanakopita - Greek spinach pie
    Beautiful view of the lake — Stock Photo
    Beautiful view of the lake
    Coloured X-ray of arthritic knees — Stock Photo
    Coloured X-ray of arthritic knees
    Normal elbow and wrist joints, X-ray — Stock Photo
    Normal elbow and wrist joints, X-ray
    Frosted Doughnut with Sprinkles — Stock Photo
    Frosted Doughnut with Sprinkles
    A vegetable sculpture against a coloured background — Stock Photo
    A vegetable sculpture against a coloured background
    Four young boys with skateboard — Stock Photo
    Four young boys with skateboard
    Coloured sugar eggs — Stock Photo
    Coloured sugar eggs
    Woman dressed in the traeditional geisha style — Stock Photo
    Woman dressed in the traeditional geisha style
    Top view of heart-shaped dish with a pink chocolate heart and colored party poppers and plastic spoons — Stock Photo
    Top view of heart-shaped dish with a pink chocolate heart and colored party poppers and plastic spoons
    Aerial view of a car driving through an autumn forest, Austria — Stock Photo
    Aerial view of a car driving through an autumn forest, Austria
    Ankle of patient with osteoarthritis — Stock Photo
    Ankle of patient with osteoarthritis
    Rows of coloured seats — Stock Photo
    Rows of coloured seats
    Scanning electron micrograph of Brevibacteria on human feet causing odour. — Stock Photo
    Scanning electron micrograph of Brevibacteria on human feet causing odour.
    Bacteria from a coin. Coloured scanning electron micrograph (SEM) of bacteria cultured from a english one pound coin — Stock Photo
    Bacteria from a coin. Coloured scanning electron micrograph (SEM) of bacteria cultured from a english one pound coin
    Dividing prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Dividing prostate cancer cells, coloured scanning electron micrograph.
    Colorful dried corn cobs — Stock Photo
    Colorful dried corn cobs
    Total hip replacement — Stock Photo
    Total hip replacement
    Old silver cutlery on metal plate (top view) — Stock Photo
    Old silver cutlery on metal plate (top view)
    Doughnut with a mint-chocolate glaze — Stock Photo
    Doughnut with a mint-chocolate glaze
    Knitting needle piercing through arm — Stock Photo
    Knitting needle piercing through arm
    Tea with sugar bowl — Stock Photo
    Tea with sugar bowl
    Top view of brightly colored chewy candies — Stock Photo
    Top view of brightly colored chewy candies
    Amusing face made from vegetables and dill over white surface — Stock Photo
    Amusing face made from vegetables and dill over white surface
    Angel and Christmas bauble — Stock Photo
    Angel and Christmas bauble
    Six Colourful macaroons — Stock Photo
    Six Colourful macaroons
    Pastel-coloured chocolate — Stock Photo
    Pastel-coloured chocolate
    Sweets and bubble gum — Stock Photo
    Sweets and bubble gum
    Coloured profile X-ray of a human mandible (lower jaw). — Stock Photo
    Coloured profile X-ray of a human mandible (lower jaw).
    Heart pacemaker, X-ray — Stock Photo
    Heart pacemaker, X-ray
    Coloured scanning electron micrograph of cancer cells migrating down pores. — Stock Photo
    Coloured scanning electron micrograph of cancer cells migrating down pores.
    Various liquorice sweets — Stock Photo
    Various liquorice sweets
    Black bread with activated charcoal — Stock Photo
    Black bread with activated charcoal
    Scanning electron micrograph of dermestid beetle head. — Stock Photo
    Scanning electron micrograph of dermestid beetle head.
    Human red blood cells — Stock Photo
    Human red blood cells
    Colourful spaghetti with tomatoes — Stock Photo
    Colourful spaghetti with tomatoes
    Still life of artichokes with knife — Stock Photo
    Still life of artichokes with knife
    Entrecte with herb crust — Stock Photo
    Entrecte with herb crust