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    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    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
    Human blood cells — Stock Photo
    Human blood cells
    Simple cuboidal epithelium, digital illustration. — Stock Photo
    Simple cuboidal epithelium, digital illustration.
    Light micrograph of a section through an aeciospore from a Puccinia sp. rust fungus. — Stock Photo
    Light micrograph of a section through an aeciospore from a Puccinia sp. rust fungus.
    Woodland skipper butterfly — Stock Photo
    Woodland skipper butterfly
    Mosquito head anatomy — Stock Photo
    Mosquito head anatomy
    Giant Polytene chromosomes — Stock Photo
    Giant Polytene chromosomes
    Pit formed on metal or semiconductor surface — Stock Photo
    Pit formed on metal or semiconductor surface
    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
    Fly larva head anatomy — Stock Photo
    Fly larva head anatomy
    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.
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Male sex cell — Stock Photo
    Male sex cell
    Limescale, coloured scanning electron micrograph (SEM). — Stock Photo
    Limescale, coloured scanning electron micrograph (SEM).
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Nanostructures formed on a silicon surface — Stock Photo
    Nanostructures formed on a silicon surface
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Sensory palps of Rabbit flea — Stock Photo
    Sensory palps of Rabbit flea
    Thyroid gland showing the follicles — Stock Photo
    Thyroid gland showing the follicles
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Mixed oral bacteria — Stock Photo
    Mixed oral bacteria
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Male sex cell — Stock Photo
    Male sex cell
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    White blood cells — Stock Photo
    White blood cells
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    PC12 neurone in culture — Stock Photo
    PC12 neurone in culture
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Dead bluebottle fly — Stock Photo
    Dead bluebottle fly
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails
    Micrograph of house fly — Stock Photo
    Micrograph of house fly
    Marine planktonic unicellular alga — Stock Photo
    Marine planktonic unicellular alga
    Nanoscale spikes formed on gold surface — Stock Photo
    Nanoscale spikes formed on gold surface
    Activated platelets with canalicular system — Stock Photo
    Activated platelets with canalicular system
    Light micrograph of a section through the surface of a tonsil showing the stratified squamous epithelium (pink) and underlying lymphoid tissue. — Stock Photo
    Light micrograph of a section through the surface of a tonsil showing the stratified squamous epithelium (pink) and underlying lymphoid tissue.
    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.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    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
    Scientist pointing at scanning electron micrographs of different nanofibre structures. — Stock Photo
    Scientist pointing at scanning electron micrographs of different nanofibre structures.
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Woodland skipper butterfly compound eye — Stock Photo
    Woodland skipper butterfly compound eye
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Section of a flower bud — Stock Photo
    Section of a flower bud