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    Bacteriophage virus cells infecting bacterium, digital illustration. — Stock Photo
    Bacteriophage virus cells infecting bacterium, digital illustration.
    Group of virus particles, digital illustration. — Stock Photo
    Group of virus particles, digital illustration.
    Red and white blood cells — Stock Photo
    Red and white blood cells
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration. — Stock Photo
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration.
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Pollen grains of mimosa flower, digital illustration. — Stock Photo
    Pollen grains of mimosa flower, digital illustration.
    Flu virus cells in imaging flow cytometry colours, digital illustration. — Stock Photo
    Flu virus cells in imaging flow cytometry colours, digital illustration.
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Microbiological cultures growing in Petri dishes. — Stock Photo
    Microbiological cultures growing in Petri dishes.
    Connection of astrocytes glial nerve cell, digital illustration. — Stock Photo
    Connection of astrocytes glial nerve cell, digital illustration.
    Blastocyst hollow ball of cells with fluid, digital illustration. — Stock Photo
    Blastocyst hollow ball of cells with fluid, digital illustration.
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Cancer cell morphology — Stock Photo
    Cancer cell morphology
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Computer illustration of unicellular yeast fungus Candida auris. — Stock Photo
    Computer illustration of unicellular yeast fungus Candida auris.
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    3d illustration of sperm cells on blue background. — Stock Photo
    3d illustration of sperm cells on blue background.
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration.
    Adipose tissue composed of adipocytes — Stock Photo
    Adipose tissue composed of adipocytes
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Fungal cells revealing sporangium with spores — Stock Photo
    Fungal cells revealing sporangium with spores
    Animal cells with mitochondria, digital illustration. — Stock Photo
    Animal cells with mitochondria, digital illustration.
    Human lung tissue, light micrograph. Lungs are the primary organs of the respiratory system in humans and many other animals. — Stock Photo
    Human lung tissue, light micrograph. Lungs are the primary organs of the respiratory system in humans and many other animals.
    Round red cells on plain background, digital illustration. — Stock Photo
    Round red cells on plain background, digital illustration.
    Nerve cells and axon connections — Stock Photo
    Nerve cells and axon connections
    Abstract virus particles, digital illustration. — Stock Photo
    Abstract virus particles, digital illustration.
    Artwork of Rod-shaped bacteria — Stock Photo
    Artwork of Rod-shaped bacteria
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration.
    Brain neural network, computer illustration. — Stock Photo
    Brain neural network, computer illustration.
    Red interleukin cells binding to blue receptor, digital illustration. — Stock Photo
    Red interleukin cells binding to blue receptor, digital illustration.
    Covid-19, Coronavirus. Several covid-19 viruses infecting the human organism. Concept image of the virus inside human cells. — Stock Photo
    Covid-19, Coronavirus. Several covid-19 viruses infecting the human organism. Concept image of the virus inside human cells.
    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
    Illustration of 4 cell stage egg on black background. — Stock Photo
    Illustration of 4 cell stage egg on black background.
    Closeup of abstract background with round shaped cells of vaccine of different sizes illuminated by colorful light — Stock Photo
    Closeup of abstract background with round shaped cells of vaccine of different sizes illuminated by colorful light
    Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organisms, digital illustration.
    Horse chestnut pollen grain — Stock Photo
    Horse chestnut pollen grain
    3d illustration of red transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of red transparent sperm cells swimming towards egg cell.
    Entamoeba gingivalis parasitic pathogen single-celled protozoans, amoebas in oral cavity, digital illustration. — Stock Photo
    Entamoeba gingivalis parasitic pathogen single-celled protozoans, amoebas in oral cavity, digital illustration.
    Activated platelets, computer illustration — Stock Photo
    Activated platelets, computer illustration
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Stem cell research — Stock Photo
    Stem cell research
    Scanning electron microscopy of DNA molecules and red and white blood cells. — Stock Photo
    Scanning electron microscopy of DNA molecules and red and white blood cells.
    Nerve cells network — Stock Photo
    Nerve cells network
    Light micrograph (bottom left) and computer illustration (top right) of the lining of the stomach, known as the mucosa. — Stock Photo
    Light micrograph (bottom left) and computer illustration (top right) of the lining of the stomach, known as the mucosa.
    Adipose tissue composed of adipocytes — Stock Photo
    Adipose tissue composed of adipocytes
    Red blood cells on white background, digital illustration. — Stock Photo
    Red blood cells on white background, digital illustration.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    White blood cell — Stock Photo
    White blood cell
    3d illustration of blue cells pattern with red nuclei. — Stock Photo
    3d illustration of blue cells pattern with red nuclei.
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia. — Stock Photo
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia.
    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
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Plant cells, 3d illustration — Stock Photo
    Plant cells, 3d illustration
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Red blood cells with fibrin — Stock Photo
    Red blood cells with fibrin
    3d illustration of green colored virus particles. — Stock Photo
    3d illustration of green colored virus particles.
    Abstract group of particles of viruses, computer illustration. — Stock Photo
    Abstract group of particles of viruses, computer illustration.
    Woman with a bathrobe on the head on the head near the mountain — Stock Photo
    Woman with a bathrobe on the head on the head near the mountain