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    Salmonella typhimurium bacterium — Stock Photo
    Salmonella typhimurium bacterium
    Male sex cell — Stock Photo
    Male sex cell
    Fat cell. Coloured scanning electron micrograph (SEM) of part of a fat-storing cell (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter — Stock Photo
    Fat cell. Coloured scanning electron micrograph (SEM) of part of a fat-storing cell (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear. — Stock Photo
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear.
    Tendon, coloured scanning electron micrograph showing bundles of collagen fibres. — Stock Photo
    Tendon, coloured scanning electron micrograph showing bundles of collagen fibres.
    Coloured scanning electron micrograph of bacteria from culture of breast milk. — Stock Photo
    Coloured scanning electron micrograph of bacteria from culture of breast milk.
    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.
    Magnified digital illustration of mammary gland cells. — Stock Photo
    Magnified digital illustration of mammary gland cells.
    Magnified digital illustration of Candida albicans yeast. — Stock Photo
    Magnified digital illustration of Candida albicans yeast.
    Magnified digital illustration of fertilisation of egg cell. — Stock Photo
    Magnified digital illustration of fertilisation of egg cell.
    Scanning electron micrograph of PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph of PC12 neurone in culture.
    Cat flea head — Stock Photo
    Cat flea head
    Magnified digital illustration of human cell cross-section. — Stock Photo
    Magnified digital illustration of human cell cross-section.
    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 of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli. — Stock Photo
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Magnified digital illustration of megakaryocyte cell. — Stock Photo
    Magnified digital illustration of megakaryocyte cell.
    Coloured scanning electron micrograph of the rod-shaped, Gram-negative bacteria Escherichia coli, commonly known as E. coli — Stock Photo
    Coloured scanning electron micrograph of the rod-shaped, Gram-negative bacteria Escherichia coli, commonly known as E. coli
    Digital illustration of Escherichia coli bacteria. — Stock Photo
    Digital illustration of Escherichia coli bacteria.
    Magnified digital illustration of 2 cell stage embryo. — Stock Photo
    Magnified digital illustration of 2 cell stage embryo.
    Digital illustration of budding Saccharomyces cerevisiae yeast cells. — Stock Photo
    Digital illustration of budding Saccharomyces cerevisiae yeast cells.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Male sex cell — Stock Photo
    Male sex cell
    Radiolarians amoeboid protozoa — Stock Photo
    Radiolarians amoeboid protozoa
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae. — Stock Photo
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Woman with mole on shoulder being examined through dermatoscope. — Stock Photo
    Woman with mole on shoulder being examined through dermatoscope.
    Magnified digital illustration of mitochondrion cell. — Stock Photo
    Magnified digital illustration of mitochondrion cell.
    Acrospaera radiolarian shell — Stock Photo
    Acrospaera radiolarian shell
    Red blood cells and platelets — Stock Photo
    Red blood cells and platelets
    Magnified digital illustration of monocyte cell. — Stock Photo
    Magnified digital illustration of monocyte cell.
    Silica wall of a diatom — Stock Photo
    Silica wall of a diatom
    Chromosomes with four-arm structure — Stock Photo
    Chromosomes with four-arm structure
    Magnified digital illustration of morula cells. — Stock Photo
    Magnified digital illustration of morula cells.
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae. — Stock Photo
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae.
    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease. — Stock Photo
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease.
    Red blood cells — Stock Photo
    Red blood cells
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Metaphase chromosome structure — Stock Photo
    Metaphase chromosome structure
    Scanning electron micrograph of PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph of PC12 neurone in culture.
    Radiolarians amoeboid protozoa — Stock Photo
    Radiolarians amoeboid protozoa
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae. — Stock Photo
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae.
    Four-armed chromosomes — Stock Photo
    Four-armed chromosomes
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae. — Stock Photo
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae.
    Visual representation of Chromosome structure — Stock Photo
    Visual representation of Chromosome structure
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease. — Stock Photo
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease.
    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.
    Skeletal muscle fibres — Stock Photo
    Skeletal muscle fibres
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Magnified digital illustration of neutrophil cell. — Stock Photo
    Magnified digital illustration of neutrophil cell.
    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.
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    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 of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Mycobacterium smegmatis bacteria — Stock Photo
    Mycobacterium smegmatis bacteria
    Freshwater single diatom — Stock Photo
    Freshwater single diatom