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    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown) — Stock Photo
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown)
    Plaque-forming bacteria — Stock Photo
    Plaque-forming bacteria
    Epithelial lining of Fallopian tube — Stock Photo
    Epithelial lining of Fallopian tube
    Blade of grass with a serrated edge — Stock Photo
    Blade of grass with a serrated edge
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Airport security officer using a metal detector to check a bag in airport — Stock Photo
    Airport security officer using a metal detector to check a bag in airport
    Colored scanning electron micrograph of lymphoma cell showing early apoptotic change. — Stock Photo
    Colored scanning electron micrograph of lymphoma cell showing early apoptotic change.
    Schizosaccharomyces pombe yeast — Stock Photo
    Schizosaccharomyces pombe yeast
    Marine planktonic unicellular alga — Stock Photo
    Marine planktonic unicellular alga
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Colored scanning electron micrograph of microstructures formed on nickel surface. — Stock Photo
    Colored scanning electron micrograph of microstructures formed on nickel surface.
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    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.
    Rapeseed pollen grain — Stock Photo
    Rapeseed pollen grain
    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.
    Focused male worker using IR code scanner in fiber optics warehouse — Stock Photo
    Focused male worker using IR code scanner in fiber optics warehouse
    Activated blood cell fragments platelets, coloured scanning electron micrograph. — Stock Photo
    Activated blood cell fragments platelets, coloured scanning electron micrograph.
    Doctor using x-ray machine to examining patient in hospital — Stock Photo
    Doctor using x-ray machine to examining patient in hospital
    Coloured scanning electron micrograph of osteocyte bone cell surrounded by bone tissue. — Stock Photo
    Coloured scanning electron micrograph of osteocyte bone cell surrounded by bone tissue.
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Asparagus pollen grains — Stock Photo
    Asparagus pollen grains
    Colored scanning electron micrograph of variety of yeast species growing in larval tunnel of codling moth Cydia pomonella in mature apple. — Stock Photo
    Colored scanning electron micrograph of variety of yeast species growing in larval tunnel of codling moth Cydia pomonella in mature apple.
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    Customer making payment using NFS technology at coffee cafe. Small business owner and contactless or wireless payment concept — Stock Photo
    Customer making payment using NFS technology at coffee cafe. Small business owner and contactless or wireless payment concept
    Colored scanning electron micrograph of nanostructures formed on nickel surface. — Stock Photo
    Colored scanning electron micrograph of nanostructures formed on nickel surface.
    Woman undergoing scan examination in skin clinic. — Stock Photo
    Woman undergoing scan examination in skin clinic.
    Male sex cell — Stock Photo
    Male sex cell
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Freeze-fractured lens of an eye — Stock Photo
    Freeze-fractured lens of an eye
    Male patient going through x-ray test in hospital — Stock Photo
    Male patient going through x-ray test in hospital
    Dividing prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Dividing prostate cancer cells, coloured scanning electron micrograph.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Stick insect foot — Stock Photo
    Stick insect foot
    Coloured scanning electron micrograph of bacteria cultured from used dishcloth. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from used dishcloth.
    Surface of the foot of a common pollen beetle — Stock Photo
    Surface of the foot of a common pollen beetle
    Woman scanning the barcode of a ceramic jug — Stock Photo
    Woman scanning the barcode of a ceramic jug
    Fossilised fragment of a coccolithotrope skeleton — Stock Photo
    Fossilised fragment of a coccolithotrope skeleton
    Fossilised fragment of a coccolithotrope skeleton — Stock Photo
    Fossilised fragment of a coccolithotrope skeleton
    Caucasian female customer holding tablet, scanning qr code, taking order from business owner. small independent cafe business during coronavirus covid 19 pandemic. — Stock Photo
    Caucasian female customer holding tablet, scanning qr code, taking order from business owner. small independent cafe business during coronavirus covid 19 pandemic.
    Coloured scanning electron micrograph of bacteria from culture of breast milk. — Stock Photo
    Coloured scanning electron micrograph of bacteria from culture of breast milk.
    Scale insects. Coloured scanning electron micrograph (SEM) of scale insects (superfamily Coccoidea) on a leaf. This pest feeds on the plant's sap. It secretes a powdery wax coating that protects it against pesticides and predators — Stock Photo
    Scale insects. Coloured scanning electron micrograph (SEM) of scale insects (superfamily Coccoidea) on a leaf. This pest feeds on the plant's sap. It secretes a powdery wax coating that protects it against pesticides and predators
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats — Stock Photo
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats
    Coloured scanning electron micrograph of surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    Coloured scanning electron micrograph (SEM) of an anther (male reproductive part) from a bay tree (Laurus nobilis) flower. — Stock Photo
    Coloured scanning electron micrograph (SEM) of an anther (male reproductive part) from a bay tree (Laurus nobilis) flower.
    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
    Airport security officer using a hand held metal detector to check a commuter in airport — Stock Photo
    Airport security officer using a hand held metal detector to check a commuter in airport
    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.
    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.
    Stomach lining. Coloured scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid — Stock Photo
    Stomach lining. Coloured scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid
    Breast cancer cells growing in culture — Stock Photo
    Breast cancer cells growing in culture
    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus. — Stock Photo
    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Stomach lining. Coloured scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid — Stock Photo
    Stomach lining. Coloured scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria