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    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres. — Stock Photo
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres.
    Colored DNA double helix molecule, digital illustration. — Stock Photo
    Colored DNA double helix molecule, digital illustration.
    Chromosomes during cell division — Stock Photo
    Chromosomes during cell division
    Illustration of rod-shaped and spherical (cocci) bacteria. Rod-shaped bacteria include Escherichia coli, Salmonella, Shigella, Legionella, Mycobacterium, Klebsiella and other species. Spherical bacteria include Staphylococci and Streptococci species — Stock Photo
    Illustration of rod-shaped and spherical (cocci) bacteria. Rod-shaped bacteria include Escherichia coli, Salmonella, Shigella, Legionella, Mycobacterium, Klebsiella and other species. Spherical bacteria include Staphylococci and Streptococci species
    Deoxyribonucleic acid molecule composition and structure — Stock Photo
    Deoxyribonucleic acid molecule composition and structure
    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.
    DNA molecule on gray background, conceptual illustration. — Stock Photo
    DNA molecule on gray background, conceptual illustration.
    Digital illustration of pollen grain on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grain on anther of Chinese hibiscus flower.
    Fertilization of healthy human egg — Stock Photo
    Fertilization of healthy human egg
    Cancer cell attacked by T cell — Stock Photo
    Cancer cell attacked by T cell
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell. — Stock Photo
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell.
    Abstract illustration of green bacilli bacteria, full frame. — Stock Photo
    Abstract illustration of green bacilli bacteria, full frame.
    Herpes simplex virus, computer illustration — Stock Photo
    Herpes simplex virus, computer illustration
    Human fetus at week 5, realistic digital illustration. — Stock Photo
    Human fetus at week 5, realistic digital illustration.
    Microbiological culture growing in Petri dish, close-up. — Stock Photo
    Microbiological culture growing in Petri dish, close-up.
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Blue colored dust mite, digital illustration. — Stock Photo
    Blue colored dust mite, digital illustration.
    Illustration of bacteriophages (purple) infecting a bacterial cell. Bacteriophages, or phages, infect a bacterium by attaching to its surface (blue) and injecting genetic material (brown) into the cell — Stock Photo
    Illustration of bacteriophages (purple) infecting a bacterial cell. Bacteriophages, or phages, infect a bacterium by attaching to its surface (blue) and injecting genetic material (brown) into the cell
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla). — Stock Photo
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla).
    Digital artwork of round blue cells on black background. — Stock Photo
    Digital artwork of round blue cells on black background.
    Human cytomegalovirus particles in blood flow, digital illustration. — Stock Photo
    Human cytomegalovirus particles in blood flow, digital illustration.
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Targeted gene therapy, abstract conceptual illustration. — Stock Photo
    Targeted gene therapy, abstract conceptual illustration.
    Bacillus megaterium bacterial colony, coloured scanning electron micrograph. — Stock Photo
    Bacillus megaterium bacterial colony, coloured scanning electron micrograph.
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Anatomical male model showing lymphatic system, digital illustration. — Stock Photo
    Anatomical male model showing lymphatic system, digital illustration.
    B-lymphocyte white blood cells — Stock Photo
    B-lymphocyte white blood cells
    Human fetus developing at week 16, computer illustration. — Stock Photo
    Human fetus developing at week 16, computer illustration.
    Cancer cell, computer illustration. — Stock Photo
    Cancer cell, computer illustration.
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration.
    Abstract measles virus particles, digital illustration. — Stock Photo
    Abstract measles virus particles, digital illustration.
    HIV viruses infecting T-lymphocytes — Stock Photo
    HIV viruses infecting T-lymphocytes
    Researchers handling stem cell cultures in laboratory while drug research. — Stock Photo
    Researchers handling stem cell cultures in laboratory while drug research.
    Bacterial infection of tissue lining — Stock Photo
    Bacterial infection of tissue lining
    Person in latex glove holding test tube with ear of wheat — Stock Photo
    Person in latex glove holding test tube with ear of wheat
    Illustration of Nipah viruses binding to receptors on human cells, an initial stage of Nipah infection. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore — Stock Photo
    Illustration of Nipah viruses binding to receptors on human cells, an initial stage of Nipah infection. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore
    Abstract silhouette of muscular man, digital illustration. — Stock Photo
    Abstract silhouette of muscular man, digital illustration.
    Group of Trichomonas hominis protozoan parasites, digital illustration. — Stock Photo
    Group of Trichomonas hominis protozoan parasites, digital illustration.
    Digital illustration showing bacteria causing lung infections, Mycobacterium tuberculosis, Streptococcus pneumoniae, Haemophilus influenzae, Pseudomonas aeruginosa. — Stock Photo
    Digital illustration showing bacteria causing lung infections, Mycobacterium tuberculosis, Streptococcus pneumoniae, Haemophilus influenzae, Pseudomonas aeruginosa.
    Computer illustration of Candida fungi (yeast). most common representatives of Candida fungi are C. albicans and C. auris with similar morphology. C. albicans is found on skin and mucous membranes of mouth, genitals, respiratory — Stock Photo
    Computer illustration of Candida fungi (yeast). most common representatives of Candida fungi are C. albicans and C. auris with similar morphology. C. albicans is found on skin and mucous membranes of mouth, genitals, respiratory
    Human fetus developing at week 25, computer illustration. — Stock Photo
    Human fetus developing at week 25, computer illustration.
    Activation of Ras proteins, digital illustration. — Stock Photo
    Activation of Ras proteins, digital illustration.
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Green seedlings in test tubes, close-up. — Stock Photo
    Green seedlings in test tubes, close-up.
    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Technician collecting equipment from transfer hatch in sterile laboratory. — Stock Photo
    Technician collecting equipment from transfer hatch in sterile laboratory.
    Petri dish with bacteria — Stock Photo
    Petri dish with bacteria
    Lymphocyte, monocyte and neutrophil white blood cells in blood smear, digital illustration. — Stock Photo
    Lymphocyte, monocyte and neutrophil white blood cells in blood smear, digital illustration.
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres. — Stock Photo
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres.
    Colored scanning electron micrograph of immature pig sperm from epididymis. — Stock Photo
    Colored scanning electron micrograph of immature pig sperm from epididymis.
    House dust mites — Stock Photo
    House dust mites
    Illustration of female silhouette with highlighted kidney infection. — Stock Photo
    Illustration of female silhouette with highlighted kidney infection.
    Digital artwork of unicellular yeast fungus Candida auris. — Stock Photo
    Digital artwork of unicellular yeast fungus Candida auris.
    Close-up of DNA autoradiogram with flasks in background. — Stock Photo
    Close-up of DNA autoradiogram with flasks in background.
    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
    Human two-cell embryo, digital illustration. — Stock Photo
    Human two-cell embryo, digital illustration.
    Human sperm and egg — Stock Photo
    Human sperm and egg
    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.