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    Green colored nerve cell on dark background, digital illustration. — Stock Photo
    Green colored nerve cell on dark background, digital illustration.
    3d rendered illustration of cyclist brain while workout on black background. — Stock Photo
    3d rendered illustration of cyclist brain while workout on black background.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Human white blood cell — Stock Photo
    Human white blood cell
    Caterpillar hairs. Coloured scanning electron micrograph (SEM) of hairs from the vapourer moth (Orgyia antiqua) caterpillar. — Stock Photo
    Caterpillar hairs. Coloured scanning electron micrograph (SEM) of hairs from the vapourer moth (Orgyia antiqua) caterpillar.
    Viral particles enclosed in protective capsid — Stock Photo
    Viral particles enclosed in protective capsid
    Coloured transmission electron micrograph (TEM) of a transverse section through an artery. — Stock Photo
    Coloured transmission electron micrograph (TEM) of a transverse section through an artery.
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum. — Stock Photo
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cell. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cell.
    Close-up of BIO lettering from growth culture in agar plate, microbiology concept. — Stock Photo
    Close-up of BIO lettering from growth culture in agar plate, microbiology concept.
    Medical illustration of blocked artery disorder. — Stock Photo
    Medical illustration of blocked artery disorder.
    Human papilloma virus — Stock Photo
    Human papilloma virus
    Enteroviruses, computer illustration. Enterovirus is genus of positive-sense RNA viruses of family Picornaviridae — Stock Photo
    Enteroviruses, computer illustration. Enterovirus is genus of positive-sense RNA viruses of family Picornaviridae
    Composite image of bacterial and fungal cultures in Petri dish in scientist hand in front of microbial illustration. — Stock Photo
    Composite image of bacterial and fungal cultures in Petri dish in scientist hand in front of microbial illustration.
    Rendering of DNA molecule structure — Stock Photo
    Rendering of DNA molecule structure
    Molecules of thyroid hormones triiodothyronine T3 and thyroxine T4 in human body, digital illustration. — Stock Photo
    Molecules of thyroid hormones triiodothyronine T3 and thyroxine T4 in human body, digital illustration.
    Neisseria gonorrhoeae bacteria, digital illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, digital illustration.
    Round red cells on plain background, digital illustration. — Stock Photo
    Round red cells on plain background, digital illustration.
    Sea Hydra anatomy, computer illustration. — Stock Photo
    Sea Hydra anatomy, computer illustration.
    Medical illustration of human cell structure on white background. — Stock Photo
    Medical illustration of human cell structure on white background.
    Cancer cell attacked by T cell — Stock Photo
    Cancer cell attacked by T cell
    Coronavirus particles, computer illustration — Stock Photo
    Coronavirus particles, computer illustration
    Female scientist taking notes in soil testing laboratory. — Stock Photo
    Female scientist taking notes in soil testing laboratory.
    Rhinovirus - cause of common cold — Stock Photo
    Rhinovirus - cause of common cold
    Visual rendering of Human cells — Stock Photo
    Visual rendering of Human cells
    Human papilloma virus — Stock Photo
    Human papilloma virus
    Close-up of pipetting sample into plastic micro-centrifuge tube. — Stock Photo
    Close-up of pipetting sample into plastic micro-centrifuge tube.
    Cells of brewer yeast — Stock Photo
    Cells of brewer yeast
    Mucor mould, also known as black fungus, computer illustration — Stock Photo
    Mucor mould, also known as black fungus, computer illustration
    Conceptual digital illustration showing Giardia intestinalis parasites in drop of water from dirty tap. — Stock Photo
    Conceptual digital illustration showing Giardia intestinalis parasites in drop of water from dirty tap.
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( brown) is an insulating fatty layer that surrounds the myelinated nerve fibres (blue) — Stock Photo
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( brown) is an insulating fatty layer that surrounds the myelinated nerve fibres (blue)
    Ebola virus particle structure — Stock Photo
    Ebola virus particle structure
    Digital illustration of intestine and close-up of hepatitis A virus particles. — Stock Photo
    Digital illustration of intestine and close-up of hepatitis A virus particles.
    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.
    Red blood cells with fibrin — Stock Photo
    Red blood cells with fibrin
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Close-up of hands in gloves using multichannel pipette. — Stock Photo
    Close-up of hands in gloves using multichannel pipette.
    Scientist preparing samples in microcentrifuge tubes for chemical analysis. — Stock Photo
    Scientist preparing samples in microcentrifuge tubes for chemical analysis.
    Human fetus developing at week 34, computer illustration. — Stock Photo
    Human fetus developing at week 34, computer illustration.
    Close-up of scientist pipetting sample into eppendorf tube during experiment in laboratory. — Stock Photo
    Close-up of scientist pipetting sample into eppendorf tube during experiment in laboratory.
    Abstract digital illustration of x-shaped telomeres of DNA. — Stock Photo
    Abstract digital illustration of x-shaped telomeres of DNA.
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes.
    Red blood cells — Stock Photo
    Red blood cells
    Illustration of a cancer cell. — Stock Photo
    Illustration of a cancer cell.
    Striated muscle. Coloured transmission electron micrograph (TEM) of a longitudinal section through striated skeletal muscle. The striated banding-pattern of the muscle fibrils is seen — Stock Photo
    Striated muscle. Coloured transmission electron micrograph (TEM) of a longitudinal section through striated skeletal muscle. The striated banding-pattern of the muscle fibrils is seen
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria. — Stock Photo
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria.
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph.
    Group of cysts of Giardia intestinalis protozoans flagellated parasites in small intestine, digital illustration. — Stock Photo
    Group of cysts of Giardia intestinalis protozoans flagellated parasites in small intestine, digital illustration.
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Human pathogenic viruses causing respiratory and enteric infections, digital illustration. — Stock Photo
    Human pathogenic viruses causing respiratory and enteric infections, digital illustration.
    Red blood cells in the bloodstream — Stock Photo
    Red blood cells in the bloodstream
    Computer illustration of yeast and hyphae stages of Candida fungi — Stock Photo
    Computer illustration of yeast and hyphae stages of Candida fungi
    Pancreatic islet cells. Colored transmission electron micrograph (TEM) of a section through pancreas tissue, showing cells known as Islets of Langerhans. These cells occur in distinct ovoid clusters numbering about 1 million in humans — Stock Photo
    Pancreatic islet cells. Colored transmission electron micrograph (TEM) of a section through pancreas tissue, showing cells known as Islets of Langerhans. These cells occur in distinct ovoid clusters numbering about 1 million in humans
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Fetus in the womb — Stock Photo
    Fetus in the womb
    Coronavirus infection, conceptual illustration. — Stock Photo
    Coronavirus infection, conceptual illustration.
    Transfusion transmitted virus particles, digital illustration — Stock Photo
    Transfusion transmitted virus particles, digital illustration