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    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    Yellow rod-shaped bacteria on white background, digital illustration. — Stock Photo
    Yellow rod-shaped bacteria on white background, digital illustration.
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes — Stock Photo
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Digital 3d illustration of syphilis pathogens. — Stock Photo
    Digital 3d illustration of syphilis pathogens.
    Colorful digital illustration of neural network of nervous system in human brain. — Stock Photo
    Colorful digital illustration of neural network of nervous system in human brain.
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia. — Stock Photo
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia.
    Conceptual image of coxsackievirus cells — Stock Photo
    Conceptual image of coxsackievirus cells
    Stem cell research — Stock Photo
    Stem cell research
    Illustration of human sperm on black background. — Stock Photo
    Illustration of human sperm on black background.
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration.
    Macrophage foam cells with lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells with lipid droplets, digital illustration.
    Coloured scanning electron micrograph of surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    Zika virus particles transmitted by mosquito bite, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite, digital illustration.
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    T-cell attached to cancer cell — Stock Photo
    T-cell attached to cancer cell
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Illustration of malaria infected blood cells. — Stock Photo
    Illustration of malaria infected blood cells.
    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.
    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
    Pollen grains of mimosa flower, digital illustration. — Stock Photo
    Pollen grains of mimosa flower, digital illustration.
    Hyaline cartilage, a semi-rigid connective tissue — Stock Photo
    Hyaline cartilage, a semi-rigid connective tissue
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    Coronavirus infection, conceptual illustration. — Stock Photo
    Coronavirus infection, conceptual illustration.
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    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
    Erythrocytes red blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes red blood cells in human blood vessel, digital illustration.
    Clematis montana pollen — Stock Photo
    Clematis montana pollen
    3d illustration showing increase of non-functional white blood cells in leukaemia. — Stock Photo
    3d illustration showing increase of non-functional white blood cells in leukaemia.
    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
    Cells of brewer yeast — Stock Photo
    Cells of brewer yeast
    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
    Columnar epithelium structure — Stock Photo
    Columnar epithelium structure
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear. — Stock Photo
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear.
    Tumour tissue cells, digital illustration. — Stock Photo
    Tumour tissue cells, digital illustration.
    Conceptual illustration of red blood cells (erythrocytes) with oxygen molecules (white) in an artery. — Stock Photo
    Conceptual illustration of red blood cells (erythrocytes) with oxygen molecules (white) in an artery.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Dividing stem cells — Stock Photo
    Dividing stem cells
    Lung tissue, coloured transmission electron micrograph (TEM). — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM).
    Cells dividing, computer illustration — Stock Photo
    Cells dividing, computer illustration
    Abstract illustration of white bacilli bacteria, full frame. — Stock Photo
    Abstract illustration of white bacilli bacteria, full frame.
    Human smooth muscle, light micrograph. — Stock Photo
    Human smooth muscle, light micrograph.
    Illustration of human skin anatomy on white background. — Stock Photo
    Illustration of human skin anatomy on white background.
    Multicolor vials on laboratory table next to coronavirus on screen — Stock Photo
    Multicolor vials on laboratory table next to coronavirus on screen
    Red blood cells on black background, digital illustration. — Stock Photo
    Red blood cells on black background, digital illustration.
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Layer of cells, computer illustration — Stock Photo
    Layer of cells, computer illustration
    3d illustration of violet bacteria on blue surface. — Stock Photo
    3d illustration of violet bacteria on blue surface.
    Lassa virus particles, digital illustration. — Stock Photo
    Lassa virus particles, digital illustration.
    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.
    Illustration of Neisseria gonorrhoeae bacteria. This Gram-negative bacteria causes the sexually transmitted infection gonorrhoea. Symptoms include a vaginal or urethral discharge and a burning sensation on urination — Stock Photo
    Illustration of Neisseria gonorrhoeae bacteria. This Gram-negative bacteria causes the sexually transmitted infection gonorrhoea. Symptoms include a vaginal or urethral discharge and a burning sensation on urination
    Intestinal brush border in small intestine showing numerous microvilli, colored transmission electron micrograph. — Stock Photo
    Intestinal brush border in small intestine showing numerous microvilli, colored transmission electron micrograph.
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    Colored digital illustration of cancer cells. — Stock Photo
    Colored digital illustration of cancer cells.
    Lungs cancer, digital illustration showing malignant tumour in lung. — Stock Photo
    Lungs cancer, digital illustration showing malignant tumour in lung.
    Thyroid gland showing the follicles — Stock Photo
    Thyroid gland showing the follicles
    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