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    Blue colored dust mite, digital illustration. — Stock Photo
    Blue colored dust mite, digital illustration.
    Protozoan infection in human intestinal lumen — Stock Photo
    Protozoan infection in human intestinal lumen
    Lung tissue, coloured transmission electron micrograph (TEM). A pulmonary capillary containing two red blood cells (red) and three platelets (blue). A basement membrane (pink) surround the endothelium separating it from the alveolar epithelium — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM). A pulmonary capillary containing two red blood cells (red) and three platelets (blue). A basement membrane (pink) surround the endothelium separating it from the alveolar epithelium
    Female photographer using electronic device in photo studio — Stock Photo
    Female photographer using electronic device in photo studio
    Prostate cancer cell, coloured scanning electron micrograph. — Stock Photo
    Prostate cancer cell, coloured scanning electron micrograph.
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells. — Stock Photo
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells.
    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.
    Side view of woman in sunglasses smoking electronic cigarette on beach in barcelona — Stock Photo
    Side view of woman in sunglasses smoking electronic cigarette on beach in barcelona
    Coloured scanning electron micrograph (SEM) of a fractured bile duct. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured bile duct.
    White blood cells — Stock Photo
    White blood cells
    Woman behind laptop with phone working near trailer. — Stock Photo
    Woman behind laptop with phone working near trailer.
    Coloured scanning electron micrograph of surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    Baby boy engrossed with an electronic tablet — Stock Photo
    Baby boy engrossed with an electronic tablet
    Coloured scanning electron micrograph of breast cancer cells. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cells.
    Male sex cell — Stock Photo
    Male sex cell
    Close-up of refrigerated centrifuge machine in blood bank — Stock Photo
    Close-up of refrigerated centrifuge machine in blood bank
    Young woman with headphones and credit card online shopping at laptop on living room sofa — Stock Photo
    Young woman with headphones and credit card online shopping at laptop on living room sofa
    Mother and baby girl using digital tablet — Stock Photo
    Mother and baby girl using digital tablet
    Desk with various equipment in an electronics repair centre — Stock Photo
    Desk with various equipment in an electronics repair centre
    Coloured scanning electron micrograph (SEM) of rods (yellow) and cones (green) in the retina of the eye. — Stock Photo
    Coloured scanning electron micrograph (SEM) of rods (yellow) and cones (green) in the retina of the eye.
    Young woman in wheelchair using laptop at dining table — Stock Photo
    Young woman in wheelchair using laptop at dining table
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue).
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Human red blood cells — Stock Photo
    Human red blood cells
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus — Stock Photo
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus
    Male sex cell — Stock Photo
    Male sex cell
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum. — Stock Photo
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum.
    Cable boxes and electric meter — Stock Photo
    Cable boxes and electric meter
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant. — Stock Photo
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant.
    Patient faciities in a modern hospital, beds and patient bays, electronic equipment and curtains — Stock Photo
    Patient faciities in a modern hospital, beds and patient bays, electronic equipment and curtains
    Cardiac muscle from a healthy heart — Stock Photo
    Cardiac muscle from a healthy heart
    Atomic structure, computer illustration — Stock Photo
    Atomic structure, computer illustration
    Smiling senior man using digital tablet on patio — Stock Photo
    Smiling senior man using digital tablet on patio
    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats — Stock Photo
    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats
    Woman using digital tablet in living room — Stock Photo
    Woman using digital tablet in living room
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Colored scanning electron micrograph of human mesenchymal stem cell. — Stock Photo
    Colored scanning electron micrograph of human mesenchymal stem cell.
    Women using digital tablet in back seat of camper van — Stock Photo
    Women using digital tablet in back seat of camper van
    Electronic repairing equipment in service centre — Stock Photo
    Electronic repairing equipment in service centre
    Male sex cell — Stock Photo
    Male sex cell
    Woman making payment through nfc technology in flower shop — Stock Photo
    Woman making payment through nfc technology in flower shop
    Male electrician student practicing in workshop — Stock Photo
    Male electrician student practicing in workshop
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow).
    Red blood cells — Stock Photo
    Red blood cells
    Mid section of female electrical engineer soldering circuit board. — Stock Photo
    Mid section of female electrical engineer soldering circuit board.
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae. — Stock Photo
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae.
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Portrait smiling man with curly black hair using digital tablet in cafe — Stock Photo
    Portrait smiling man with curly black hair using digital tablet in cafe
    Osteoporotic bone abnormality — Stock Photo
    Osteoporotic bone abnormality
    Coloured scanning electron micrograph intricately structured microscopic brochosomes granules secreted by leafhopper. — Stock Photo
    Coloured scanning electron micrograph intricately structured microscopic brochosomes granules secreted by leafhopper.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Interior of an empty domestic garage. — Stock Photo
    Interior of an empty domestic garage.
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets. — Stock Photo
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Female Asian tiger mosquito, colored scanning electron micrograph. — Stock Photo
    Female Asian tiger mosquito, colored scanning electron micrograph.
    Close-up of machine in blood bank — Stock Photo
    Close-up of machine in blood bank
    Aulacodiscus oregonus diatom — Stock Photo
    Aulacodiscus oregonus diatom
    Collagen bundles from the delicate connective tissue — Stock Photo
    Collagen bundles from the delicate connective tissue
    Sperm cells in seminiferous tubule — Stock Photo
    Sperm cells in seminiferous tubule