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    Female cell biologist examining flask containing stem cells cultivated in red growth medium. — Stock Photo
    Female cell biologist examining flask containing stem cells cultivated in red growth medium.
    Conceptual illustration of association of Bacteroides massiliensis bacteria in intestine with prostate cancer development. — Stock Photo
    Conceptual illustration of association of Bacteroides massiliensis bacteria in intestine with prostate cancer development.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Human cartilage, light micrograph. Cross section of human cartilage bone. Haematoxylin and eosin stain. — Stock Photo
    Human cartilage, light micrograph. Cross section of human cartilage bone. Haematoxylin and eosin stain.
    Ebola virus particle in blood stream, digital illustration. — Stock Photo
    Ebola virus particle in blood stream, digital illustration.
    Human cardiac muscle, light micrograph. — Stock Photo
    Human cardiac muscle, light micrograph.
    Clematis montana pollen — Stock Photo
    Clematis montana pollen
    Nerves synapse, biological digital illustration. — Stock Photo
    Nerves synapse, biological digital illustration.
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Illustration of group of cells in blood clot. — Stock Photo
    Illustration of group of cells in blood clot.
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    3d illustration of green cells pattern with red nuclei. — Stock Photo
    3d illustration of green cells pattern with red nuclei.
    Blood clot, computer illustration — Stock Photo
    Blood clot, computer illustration
    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.
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Illustration of human blood cells on black background. — Stock Photo
    Illustration of human blood cells on black background.
    T-cells (turquoise) surrounding a tumour (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus — Stock Photo
    T-cells (turquoise) surrounding a tumour (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus
    Illustration of platelets (thrombocytes) that have been activated (with extensions) and those that are non-activated. Platelets are part of the blood. When a blood vessel is damaged, the platelets become activated and secrete chemicals that cause the — Stock Photo
    Illustration of platelets (thrombocytes) that have been activated (with extensions) and those that are non-activated. Platelets are part of the blood. When a blood vessel is damaged, the platelets become activated and secrete chemicals that cause the
    Anthrax bacteria, illustration. Anthrax bacteria (Bacillus anthracis) are the cause of the disease anthrax in humans and livestock. They are gram-positive spore producing bacteria arranged in chains (streptobacilli). Many cells have a central spore. — Stock Photo
    Anthrax bacteria, illustration. Anthrax bacteria (Bacillus anthracis) are the cause of the disease anthrax in humans and livestock. They are gram-positive spore producing bacteria arranged in chains (streptobacilli). Many cells have a central spore.
    Rotavirus virus particles in the bloodstream — Stock Photo
    Rotavirus virus particles in the bloodstream
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Illustration of antibodies (y-shaped) responding to an infection with the new coronavirus SARS-CoV-2 — Stock Photo
    Illustration of antibodies (y-shaped) responding to an infection with the new coronavirus SARS-CoV-2
    B-lymphocyte cells, computer illustration — Stock Photo
    B-lymphocyte cells, computer illustration
    Macrophage (purple) and cancer cells (red), illustration. — Stock Photo
    Macrophage (purple) and cancer cells (red), illustration.
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Abstract structure of neural network on dark background, digital illustration. — Stock Photo
    Abstract structure of neural network on dark background, digital illustration.
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    B cells and antibodies, computer illustration. — Stock Photo
    B cells and antibodies, computer illustration.
    Fat cell. Coloured scanning electron micrograph (SEM) of part of a fat-storing cell (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter — Stock Photo
    Fat cell. Coloured scanning electron micrograph (SEM) of part of a fat-storing cell (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Pyramidal neurons (nerve cells) of human brain frontal cortex, computer illustration — Stock Photo
    Pyramidal neurons (nerve cells) of human brain frontal cortex, computer illustration
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Plant cells, 3d illustration — Stock Photo
    Plant cells, 3d illustration
    Daisy pollen grain — Stock Photo
    Daisy pollen grain
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Antibodies attacking virus particles, computer illustration. — Stock Photo
    Antibodies attacking virus particles, computer illustration.
    Human lung tissue, light micrograph. Lungs are the primary organs of the respiratory system in humans and many other animals. Haematoxylin and eosin stain. — Stock Photo
    Human lung tissue, light micrograph. Lungs are the primary organs of the respiratory system in humans and many other animals. Haematoxylin and eosin stain.
    Cancer cell morphology — Stock Photo
    Cancer cell morphology
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells — Stock Photo
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells
    Coronavirus infection, conceptual illustration. — Stock Photo
    Coronavirus infection, conceptual illustration.
    Pyramidal neurons (nerve cells) of human brain frontal cortex, computer illustration — Stock Photo
    Pyramidal neurons (nerve cells) of human brain frontal cortex, computer illustration
    Adipocyte fat cell — Stock Photo
    Adipocyte fat cell
    Active CAR T-cells cancer immunotherapy, medical illustration. — Stock Photo
    Active CAR T-cells cancer immunotherapy, medical illustration.
    Digital illustration of human cilia cells. — Stock Photo
    Digital illustration of human cilia cells.
    Illustration of group of cells in blood clot. — Stock Photo
    Illustration of group of cells in blood clot.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Red blood cells — Stock Photo
    Red blood cells
    Visual rendering of Human cells — Stock Photo
    Visual rendering of Human cells
    B-lymphocyte cells, computer illustration — Stock Photo
    B-lymphocyte cells, computer illustration
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Sperm cells in seminiferous tubule — Stock Photo
    Sperm cells in seminiferous tubule
    Nipah virus in lungs, conceptual computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs — Stock Photo
    Nipah virus in lungs, conceptual computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Human embryonic stem cells in Petri dish, digital illustration. — Stock Photo
    Human embryonic stem cells in Petri dish, digital illustration.
    Sperm cell, or spermatozoa — Stock Photo
    Sperm cell, or spermatozoa
    Parasites attacking female egg cell, digital illustration. — Stock Photo
    Parasites attacking female egg cell, digital illustration.
    Red virus particles with receptors on blue background. — Stock Photo
    Red virus particles with receptors on blue background.