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    Activated blood cell fragments platelets, coloured scanning electron micrograph. — Stock Photo
    Activated blood cell fragments platelets, coloured scanning electron micrograph.
    Pancreatic islet cells. Colored transmission electron micrograph (TEM) of a section through pancreas tissue, showing cells known as Islets of Langerhans. These cells occur in distinct ovoid clusters numbering about 1 million in humans — Stock Photo
    Pancreatic islet cells. Colored transmission electron micrograph (TEM) of a section through pancreas tissue, showing cells known as Islets of Langerhans. These cells occur in distinct ovoid clusters numbering about 1 million in humans
    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen. — Stock Photo
    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen.
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Coloured scanning electron micrograph (SEM) of the shell (test) of a Globigerina sp. planktonic foraminiferan. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell (test) of a Globigerina sp. planktonic foraminiferan.
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres. — Stock Photo
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres.
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia. — Stock Photo
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia.
    Man using digital tablet lying on the bed — Stock Photo
    Man using digital tablet lying on the bed
    Travelers with suitcases walking in airport concourse — Stock Photo
    Travelers with suitcases walking in airport concourse
    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.
    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.
    Dental plaque scanning electron micrograph — Stock Photo
    Dental plaque scanning electron micrograph
    Scanning electron microscopy of DNA molecules and red and white blood cells. — Stock Photo
    Scanning electron microscopy of DNA molecules and red and white blood cells.
    Albumen crystals, coloured scanning electron micrograph (SEM). — Stock Photo
    Albumen crystals, coloured scanning electron micrograph (SEM).
    Scanning electron micrograph (SEM) of sarcoma cells in culture. — Stock Photo
    Scanning electron micrograph (SEM) of sarcoma cells in culture.
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells — Stock Photo
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells
    Intestinal lining. Coloured scanning electron micrograph (SEM) of a freeze-fractured of the small intestine. The surface consists of deep folds, called villi. The intestinal surface( yellow) is exposed to food — Stock Photo
    Intestinal lining. Coloured scanning electron micrograph (SEM) of a freeze-fractured of the small intestine. The surface consists of deep folds, called villi. The intestinal surface( yellow) is exposed to food
    Nanostructures formed on a titanium surface — Stock Photo
    Nanostructures formed on a titanium surface
    Coloured scanning electron micrograph of human cancellous spongy bone tissue. — Stock Photo
    Coloured scanning electron micrograph of human cancellous spongy bone tissue.
    Intestinal microvilli. Coloured scanning electron micrograph (SEM) of microvilli from the small intestine. These tiny structures form a dense brush-like covering on the absorptive surfaces of the cells lining the small intestine — Stock Photo
    Intestinal microvilli. Coloured scanning electron micrograph (SEM) of microvilli from the small intestine. These tiny structures form a dense brush-like covering on the absorptive surfaces of the cells lining the small intestine
    Fossilised fragment of a coccolithotrope skeleton — Stock Photo
    Fossilised fragment of a coccolithotrope skeleton
    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.
    Colored scanning electron micrograph of immature pig sperm from epididymis. — Stock Photo
    Colored scanning electron micrograph of immature pig sperm from epididymis.
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres. — Stock Photo
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres.
    Successful adult businessman using digital tablet in lobby — Stock Photo
    Successful adult businessman using digital tablet in lobby
    Heart strings strings — Stock Photo
    Heart strings strings
    Coloured scanning electron micrograph (SEM) of a squamous cell on the surface of the skin. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a squamous cell on the surface of the skin.
    Coloured scanning electron micrograph of surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Colored scanning electron micrograph of stem cell-derived motor neuron cell. — Stock Photo
    Colored scanning electron micrograph of stem cell-derived motor neuron cell.
    Portrait of young woman in sunglasses smoking electronic cigarette on street in barcelona — Stock Photo
    Portrait of young woman in sunglasses smoking electronic cigarette on street in barcelona
    Woman practicing yoga with laptop computer at her home — Stock Photo
    Woman practicing yoga with laptop computer at her home
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Coloured scanning electron micrograph of tardigrade water bear. — Stock Photo
    Coloured scanning electron micrograph of tardigrade water bear.
    Female mechanic using electronic diagnostic device in repair garage — Stock Photo
    Female mechanic using electronic diagnostic device in repair garage
    Illustration of abstract cancer cell with tentacles. — Stock Photo
    Illustration of abstract cancer cell with tentacles.
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Radiolaria protozoa shells — Stock Photo
    Radiolaria protozoa shells
    Man using digital tablet outdoors — Stock Photo
    Man using digital tablet outdoors
    Woman making payment through smartphone in the flower shop — Stock Photo
    Woman making payment through smartphone in the flower shop
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear.
    Water flea (Polyphemus pediculus), coloured scanning electron micrograph (SEM). — Stock Photo
    Water flea (Polyphemus pediculus), coloured scanning electron micrograph (SEM).
    Man using digital tablet on lounge chair at poolside — Stock Photo
    Man using digital tablet on lounge chair at poolside
    Couple paying bills, logging on to digital tablet with fingerprint — Stock Photo
    Couple paying bills, logging on to digital tablet with fingerprint
    Boy using digital tablet under sheet — Stock Photo
    Boy using digital tablet under sheet
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Young women in wheelchair using laptop at dining table — Stock Photo
    Young women in wheelchair using laptop at dining table
    Cotton bud with ear wax embedded in fibres, coloured scanning electron micrograph (SEM). — Stock Photo
    Cotton bud with ear wax embedded in fibres, coloured scanning electron micrograph (SEM).
    Grandmother and grandson using digital tablet in sunny hammock — Stock Photo
    Grandmother and grandson using digital tablet in sunny hammock
    Cancellous Bone tissue — Stock Photo
    Cancellous Bone tissue
    Man using electronic cigarette — Stock Photo
    Man using electronic cigarette
    Close-up of girl hands soldering circuit board at desk. — Stock Photo
    Close-up of girl hands soldering circuit board at desk.
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph. — Stock Photo
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph.
    Human red blood cells trapped in a fibrin blood clot, coloured scanning electron micrograph (SEM). — Stock Photo
    Human red blood cells trapped in a fibrin blood clot, coloured scanning electron micrograph (SEM).
    Cashmere wool fibres, coloured scanning electron micrograph (SEM). — Stock Photo
    Cashmere wool fibres, coloured scanning electron micrograph (SEM).
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Technology has captured the imagination of every generation. — Stock Photo
    Technology has captured the imagination of every generation.
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Business people working in office — Stock Photo
    Business people working in office