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    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Components of house dust — Stock Photo
    Components of house dust
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Pit formed on metal or semiconductor surface — Stock Photo
    Pit formed on metal or semiconductor surface
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Nanostructures formed on a tantalum surface — Stock Photo
    Nanostructures formed on a tantalum surface
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Fertilization of human egg — Stock Photo
    Fertilization of human egg
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Endictya oceanica diatom — Stock Photo
    Endictya oceanica diatom
    Female of the human body louse — Stock Photo
    Female of the human body louse
    Limescale, coloured scanning electron micrograph (SEM). — Stock Photo
    Limescale, coloured scanning electron micrograph (SEM).
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Male sex cell — Stock Photo
    Male sex cell
    Asparagus beetle head — Stock Photo
    Asparagus beetle head
    Sarcoptic mange mites eggs — Stock Photo
    Sarcoptic mange mites eggs
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    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
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Marine planktonic unicellular alga — Stock Photo
    Marine planktonic unicellular alga
    Section through the nasal mucosa — Stock Photo
    Section through the nasal mucosa
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Fly head anatomy — Stock Photo
    Fly head anatomy
    Centric fossil diatom frustule — Stock Photo
    Centric fossil diatom frustule
    Metastatic breast cancer — Stock Photo
    Metastatic breast cancer
    Sarcoptic mange mites eggs — Stock Photo
    Sarcoptic mange mites eggs
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Scientist pointing at scanning electron micrographs of different nanofibre structures. — Stock Photo
    Scientist pointing at scanning electron micrographs of different nanofibre structures.
    Villi of the intestine — Stock Photo
    Villi of the intestine
    Pubic louse, SEM — Stock Photo
    Pubic louse, SEM
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Bluebottle fly head — Stock Photo
    Bluebottle fly head
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Aulacodiscus oregonus diatom — Stock Photo
    Aulacodiscus oregonus diatom
    Actinocyclus sp. diatom unicellular algae — Stock Photo
    Actinocyclus sp. diatom unicellular algae
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Arachnoidiscus sp. diatom algae — Stock Photo
    Arachnoidiscus sp. diatom algae
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Salt water pennate diatom frustule — Stock Photo
    Salt water pennate diatom frustule
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Mixed oral bacteria — Stock Photo
    Mixed oral bacteria
    Planktonic unicellular alga Diploneis sp. — Stock Photo
    Planktonic unicellular alga Diploneis sp.
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Nanoscale spikes formed on gold surface — Stock Photo
    Nanoscale spikes formed on gold surface
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae