En
  • En English
  • De Deutsch
  • Fr Français
  • Sp Español
  • Ru Русский
  • It Italiano
  • Pt Português
  • Ua Українська
13627073 results

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe SearchSafe Search
    Clear
    Hide
    Microscopic dust mites colony — Stock Photo
    Microscopic dust mites colony
    Cholera bacteria colony — Stock Photo
    Cholera bacteria colony
    Structure of islet of langerhans, light micrograph. — Stock Photo
    Structure of islet of langerhans, light micrograph.
    Virus particles, 3d digital scientific illustration. — Stock Photo
    Virus particles, 3d digital scientific illustration.
    Cladosporium fungi on black background, digital illustration. — Stock Photo
    Cladosporium fungi on black background, digital illustration.
    Colored scanning electron micrograph of cancellous bone tissue from starling bird skull. — Stock Photo
    Colored scanning electron micrograph of cancellous bone tissue from starling bird skull.
    Illustration of human blood cells in blood stream. — Stock Photo
    Illustration of human blood cells in blood stream.
    Broom pollen grain — Stock Photo
    Broom pollen grain
    Coloured scanning electron micrograph of breast cancer cells. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cells.
    Tapeworm parasites in intestines — Stock Photo
    Tapeworm parasites in intestines
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 cell stage egg on blue background.
    Mouldy bread and illustration of microscopic fungi Penicillium causing food spoilage and producing antibiotic penicillin. — Stock Photo
    Mouldy bread and illustration of microscopic fungi Penicillium causing food spoilage and producing antibiotic penicillin.
    3d rendered illustration of nerve cell system. — Stock Photo
    3d rendered illustration of nerve cell system.
    Simple columnar epithelium, light micrograph — Stock Photo
    Simple columnar epithelium, light micrograph
    3d illustration of transparent and colorful protozoan on blue background. — Stock Photo
    3d illustration of transparent and colorful protozoan on blue background.
    Gram-negative Veillonella bacteria, digital illustration. — Stock Photo
    Gram-negative Veillonella bacteria, digital illustration.
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei. — Stock Photo
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei.
    Lyme disease bacteria, digital illustration. — Stock Photo
    Lyme disease bacteria, digital illustration.
    Human sperm cells, abstract computer illustration. — Stock Photo
    Human sperm cells, abstract computer illustration.
    Illustration of malaria infected blood cells. — Stock Photo
    Illustration of malaria infected blood cells.
    Scanning electron micrograph of faecal bacteria cultured from sample of human faeces. — Stock Photo
    Scanning electron micrograph of faecal bacteria cultured from sample of human faeces.
    Digital artwork of round blue cells on black background. — Stock Photo
    Digital artwork of round blue cells on black background.
    Mouldy smoked sausage and illustration of microscopic fungus Penicillium causing food spoilage and producing antibiotic penicillin. — Stock Photo
    Mouldy smoked sausage and illustration of microscopic fungus Penicillium causing food spoilage and producing antibiotic penicillin.
    Hair follicles. Coloured scanning electron micrograph (SEM). The outer layer of hair (the cuticle) has overlapping scales of keratin. These scales are thought to prevent hairs from matting together — Stock Photo
    Hair follicles. Coloured scanning electron micrograph (SEM). The outer layer of hair (the cuticle) has overlapping scales of keratin. These scales are thought to prevent hairs from matting together
    Realistic illustration of human nerve cell on white background. — Stock Photo
    Realistic illustration of human nerve cell on white background.
    Medical illustration of human cell structure on dark background. — Stock Photo
    Medical illustration of human cell structure on dark background.
    Closterium desmid, computer illustration. — Stock Photo
    Closterium desmid, computer illustration.
    Cell with pseudopodia — Stock Photo
    Cell with pseudopodia
    Destruction of a human embryo — Stock Photo
    Destruction of a human embryo
    Magnified digital illustration of morula cells. — Stock Photo
    Magnified digital illustration of morula cells.
    Gram-negative Veillonella bacteria, digital illustration. — Stock Photo
    Gram-negative Veillonella bacteria, digital illustration.
    Red cancer cells, digital illustration. — Stock Photo
    Red cancer cells, digital illustration.
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection. — Stock Photo
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection.
    Group of virus particles, digital illustration. — Stock Photo
    Group of virus particles, digital illustration.
    Abstract yellow colored cancer cell on black background, digital illustration. — Stock Photo
    Abstract yellow colored cancer cell on black background, digital illustration.
    Magnified digital illustration of mitochondrion cell. — Stock Photo
    Magnified digital illustration of mitochondrion cell.
    Corynebacterium diphtheriae, computer illustration. C. diphtheriae is a gram-positive rod-shaped bacterium which is transmitted by respiratory droplets and causes the disease diphtheria — Stock Photo
    Corynebacterium diphtheriae, computer illustration. C. diphtheriae is a gram-positive rod-shaped bacterium which is transmitted by respiratory droplets and causes the disease diphtheria
    Giardia lamblia protozoan parasites, digital illustration — Stock Photo
    Giardia lamblia protozoan parasites, digital illustration
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar. — Stock Photo
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar.
    Sunflower pollen structure — Stock Photo
    Sunflower pollen structure
    T lymphocyte cells attached to cancer cell — Stock Photo
    T lymphocyte cells attached to cancer cell
    Alternaria fungi on white background, digital illustration. — Stock Photo
    Alternaria fungi on white background, digital illustration.
    Meningitis bacteria (Neisseria meningitidis), computer illustration — Stock Photo
    Meningitis bacteria (Neisseria meningitidis), computer illustration
    Colored illustration of amyloid plaques on nerve cell. — Stock Photo
    Colored illustration of amyloid plaques on nerve cell.
    Digital illustration of Escherichia coli bacteria on white background. — Stock Photo
    Digital illustration of Escherichia coli bacteria on white background.
    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.
    Illustration of blue cell membrane on white background. — Stock Photo
    Illustration of blue cell membrane on white background.
    3d illustration of sperm cells frozen into ice cubes. — Stock Photo
    3d illustration of sperm cells frozen into ice cubes.
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar. — Stock Photo
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar.
    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Digital illustration of cerebrospinal fluid and neutrophils with Neisseria meningitidis bacteria. — Stock Photo
    Digital illustration of cerebrospinal fluid and neutrophils with Neisseria meningitidis bacteria.
    Cancer cell with filaments — Stock Photo
    Cancer cell with filaments
    Mouldy bread and illustration of microscopic fungi Penicillium causing food spoilage and producing antibiotic penicillin. — Stock Photo
    Mouldy bread and illustration of microscopic fungi Penicillium causing food spoilage and producing antibiotic penicillin.
    Digital artwork of Gram-positive anaerobic Bifidobacterium bacteria. — Stock Photo
    Digital artwork of Gram-positive anaerobic Bifidobacterium bacteria.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Magnified digital illustration of human cell cross-section. — Stock Photo
    Magnified digital illustration of human cell cross-section.
    Illustration of human blood cells on white background. — Stock Photo
    Illustration of human blood cells on white background.
    Cholera bacteria colony — Stock Photo
    Cholera bacteria colony
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Giardia lamblia flagellated protozoan parasite, digital illustration. — Stock Photo
    Giardia lamblia flagellated protozoan parasite, digital illustration.