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    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    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.
    Breast cancer cells growing in culture — Stock Photo
    Breast cancer cells growing in culture
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    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.
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Liradiscus sp. planktonic unicellular algae — Stock Photo
    Liradiscus sp. planktonic unicellular algae
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Colored scanning electron micrograph of coccoliths calcium carbonate plates from coccolithophore algal organisms. — Stock Photo
    Colored scanning electron micrograph of coccoliths calcium carbonate plates from coccolithophore algal organisms.
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    B-lymphocyte white blood cells — Stock Photo
    B-lymphocyte white blood cells
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli, commonly known as E coli. — Stock Photo
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli, commonly known as E coli.
    Coloured scanning electron micrograph (SEM) of a wood anemone (Anemone nemerosa) anther (male reproductive part) covered in pollen. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a wood anemone (Anemone nemerosa) anther (male reproductive part) covered in pollen.
    Vaginal bacteria. Coloured scanning electron micrograph (SEM) of bacteria on the vaginal wall. A healthy vaginal flora protects the body against urogenital infections — Stock Photo
    Vaginal bacteria. Coloured scanning electron micrograph (SEM) of bacteria on the vaginal wall. A healthy vaginal flora protects the body against urogenital infections
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    Red blood cells — Stock Photo
    Red blood cells
    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 of pollen grains from Verbena bonariensis perennial plant. — Stock Photo
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant.
    Pancreatic cancer cells — Stock Photo
    Pancreatic cancer cells
    Bone cancer cells. Coloured scanning electron micrograph of osteosarcoma cancer cells. Osteosarcoma is an aggressive malignant neoplasm arising from primitive transformed mesenchymal cells — Stock Photo
    Bone cancer cells. Coloured scanning electron micrograph of osteosarcoma cancer cells. Osteosarcoma is an aggressive malignant neoplasm arising from primitive transformed mesenchymal cells
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Coloured scanning electron micrograph of surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    Acrospaera radiolarian shell — Stock Photo
    Acrospaera radiolarian shell
    Bluebottle fly head — Stock Photo
    Bluebottle fly head
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    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.
    Crystalline lens of the eye — Stock Photo
    Crystalline lens of the eye
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Nasturtium leaf. Coloured scanning electron micrograph (SEM) of the underside of a nasturtium leaf (Tropaeolum sp.). Numerous hairs (trichomes) cover the surface — Stock Photo
    Nasturtium leaf. Coloured scanning electron micrograph (SEM) of the underside of a nasturtium leaf (Tropaeolum sp.). Numerous hairs (trichomes) cover the surface
    Sarcoptic mange mites eggs — Stock Photo
    Sarcoptic mange mites eggs
    Plaque-forming bacteria, colored scanning electron micrograph. — Stock Photo
    Plaque-forming bacteria, colored scanning electron micrograph.
    Coloured scanning electron micrograph of bacteria cultured from used dishcloth. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from used dishcloth.
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Prostate cancer cells, coloured scanning electron micrograph.
    Influenza viruses and host cell — Stock Photo
    Influenza viruses and host cell
    Male sex cell — Stock Photo
    Male sex cell
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    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.
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female — Stock Photo
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female
    Colored scanning electron micrograph image of tooth dentine, mineralised connective tissue found under tooth enamel. — Stock Photo
    Colored scanning electron micrograph image of tooth dentine, mineralised connective tissue found under tooth enamel.
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Scanning electron micrograph of PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph of PC12 neurone in culture.
    Soil bacteria, coloured scanning electron micrograph. — Stock Photo
    Soil bacteria, coloured scanning electron micrograph.
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Fly larva head anatomy — Stock Photo
    Fly larva head anatomy
    Aulacodiscus oregonus diatom — Stock Photo
    Aulacodiscus oregonus diatom
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Human head louse on human hair — Stock Photo
    Human head louse on human hair
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower.
    Fly head anatomy — Stock Photo
    Fly head anatomy