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    Destruction of a human embryo — Stock Photo
    Destruction of a human embryo
    Polio virus particles, digital illustration. — Stock Photo
    Polio virus particles, digital illustration.
    Red blood cells in blood stream — Stock Photo
    Red blood cells in blood stream
    Virus particles dark background, digital illustration. — Stock Photo
    Virus particles dark background, digital illustration.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Coronavirus infection, conceptual illustration. — Stock Photo
    Coronavirus infection, conceptual illustration.
    Immune system T-lymphocytes cells binding antigen, digital illustration. — Stock Photo
    Immune system T-lymphocytes cells binding antigen, digital illustration.
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red).
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Cancer cell and T cells — Stock Photo
    Cancer cell and T cells
    Light micrograph of cardiac callosity. Haematoxylin and eosin stain. — Stock Photo
    Light micrograph of cardiac callosity. Haematoxylin and eosin stain.
    Sperm cells, abstract digital illustration. — Stock Photo
    Sperm cells, abstract digital illustration.
    Rift Valley fever virus particles, digital illustration. — Stock Photo
    Rift Valley fever virus particles, digital illustration.
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Red blood cells — Stock Photo
    Red blood cells
    Computer illustration of unicellular fungus (yeast) Candida auris — Stock Photo
    Computer illustration of unicellular fungus (yeast) Candida auris
    Animal Cells in culture — Stock Photo
    Animal Cells in culture
    Macrophage foam cells with lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells with lipid droplets, digital illustration.
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    3d illustration of blood plasma and components of blood flowing from artery. — Stock Photo
    3d illustration of blood plasma and components of blood flowing from artery.
    Anthrax bacteria, computer illustration. Anthrax bacteria (Bacillus anthracis) are cause of disease anthrax in humans and livestock — Stock Photo
    Anthrax bacteria, computer illustration. Anthrax bacteria (Bacillus anthracis) are cause of disease anthrax in humans and livestock
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    3d illustration of cancer cell in process of dividing. — Stock Photo
    3d illustration of cancer cell in process of dividing.
    3d illustration of transparent cells with nuclei on yellow background. — Stock Photo
    3d illustration of transparent cells with nuclei on yellow background.
    Light micrograph (LM) of a section through sunflower(helianthus annuus) tissue showing spiral tracheids, a type of xylem. — Stock Photo
    Light micrograph (LM) of a section through sunflower(helianthus annuus) tissue showing spiral tracheids, a type of xylem.
    Lung bronchiole. Light micrograph of a section through lung tissue and a bronchiole. Bronchi form branches from the trachea and gradually diminish in diameter with increasing branching into bronchioles within the lung — Stock Photo
    Lung bronchiole. Light micrograph of a section through lung tissue and a bronchiole. Bronchi form branches from the trachea and gradually diminish in diameter with increasing branching into bronchioles within the lung
    Platelets in human blood, computer illustration. — Stock Photo
    Platelets in human blood, computer illustration.
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Computer illustration of unicellular fungus (yeast) Candida auris — Stock Photo
    Computer illustration of unicellular fungus (yeast) Candida auris
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Destruction of cancer cell — Stock Photo
    Destruction of cancer cell
    3d illustration of red rod-shaped bacteria. — Stock Photo
    3d illustration of red rod-shaped bacteria.
    Rendering of gastric ulcer — Stock Photo
    Rendering of gastric ulcer
    Computer illustration of unicellular yeast fungus Candida auris. — Stock Photo
    Computer illustration of unicellular yeast fungus Candida auris.
    Crypts of Lieberkuhn. Light micrograph (LM). Crypts of Lieberkuhn of the colon shown in cross section. Crypts are long blind-ending tube-like extensions of the surface epithelial lining of the gut — Stock Photo
    Crypts of Lieberkuhn. Light micrograph (LM). Crypts of Lieberkuhn of the colon shown in cross section. Crypts are long blind-ending tube-like extensions of the surface epithelial lining of the gut
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Active CAR T-cells cancer immunotherapy, medical illustration. — Stock Photo
    Active CAR T-cells cancer immunotherapy, medical illustration.
    3d illustration of transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of transparent sperm cells swimming towards egg cell.
    Marsh marigold carpel — Stock Photo
    Marsh marigold carpel
    Digital illustration of budding yeast cells in imaging flow cytometry. — Stock Photo
    Digital illustration of budding yeast cells in imaging flow cytometry.
    Digital illustration of budding yeast cells Saccharomyces cerevisiae. — Stock Photo
    Digital illustration of budding yeast cells Saccharomyces cerevisiae.
    Red blood cells — Stock Photo
    Red blood cells
    Zika virus particles transmitted by mosquito bite and neuron cell, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite and neuron cell, digital illustration.
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    Human brain with close-up view of neurons, computer illustration. — Stock Photo
    Human brain with close-up view of neurons, computer illustration.
    Magnified digital illustration of morula cells. — Stock Photo
    Magnified digital illustration of morula cells.
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample. — Stock Photo
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample.
    Digital illustration of human digestive system and close-up of intestinal bacteria. — Stock Photo
    Digital illustration of human digestive system and close-up of intestinal bacteria.
    Human brain with highlighted temporal lobe and close-up view of neurons located in temporal lobe, computer illustration — Stock Photo
    Human brain with highlighted temporal lobe and close-up view of neurons located in temporal lobe, computer illustration
    Technician holding cell samples in bioengineering laboratory. — Stock Photo
    Technician holding cell samples in bioengineering laboratory.
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    Digital illustration showing vaginitis caused by Candida auris fungus and close-up of yeast cells. — Stock Photo
    Digital illustration showing vaginitis caused by Candida auris fungus and close-up of yeast cells.
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Cancer invasion into surrounding tissues, conceptual computer illustration. — Stock Photo
    Cancer invasion into surrounding tissues, conceptual computer illustration.
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is brown. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (blue) contain enzymes for digesting foreign particles — Stock Photo
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is brown. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (blue) contain enzymes for digesting foreign particles