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    Monocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Monocyte white blood cell in blood smear, digital illustration.
    Columnar epithelium structure — Stock Photo
    Columnar epithelium structure
    Human white blood cell — Stock Photo
    Human white blood cell
    Illustration of enzyme complex ATP production in mitochondrion. — Stock Photo
    Illustration of enzyme complex ATP production in mitochondrion.
    Testicular cancer or teratoma — Stock Photo
    Testicular cancer or teratoma
    Uneven surface and cytoplasmic projections — Stock Photo
    Uneven surface and cytoplasmic projections
    Abstract animal cell on blue background, digital illustration. — Stock Photo
    Abstract animal cell on blue background, digital illustration.
    Male sex cell — Stock Photo
    Male sex cell
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus — Stock Photo
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus
    Adipose tissue composed of adipocytes — Stock Photo
    Adipose tissue composed of adipocytes
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration. — Stock Photo
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration.
    Breast cancer cells growing in culture — Stock Photo
    Breast cancer cells growing in culture
    Conceptual image of a neuron on black background — Stock Photo
    Conceptual image of a neuron on black background
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Coloured scanning electron micrograph of 293T cell in early stage of programmed apoptosis cell death. — Stock Photo
    Coloured scanning electron micrograph of 293T cell in early stage of programmed apoptosis cell death.
    Medical illustration of human cell structure on dark background. — Stock Photo
    Medical illustration of human cell structure on dark background.
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Cell with pseudopodia — Stock Photo
    Cell with pseudopodia
    Osteoclast cell structure — Stock Photo
    Osteoclast cell structure
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Amyloid precursor protein of cell membrane, digital illustration. — Stock Photo
    Amyloid precursor protein of cell membrane, digital illustration.
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    Coloured scanning electron micrograph (SEM) of a tumour cell, showing pseudopodia protrusions (bottom left and right), a prominent feature of actively motile cells. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a tumour cell, showing pseudopodia protrusions (bottom left and right), a prominent feature of actively motile cells.
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes. — Stock Photo
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes.
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple. — Stock Photo
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple.
    Visual rendering of Human cells — Stock Photo
    Visual rendering of Human cells
    Red blood cells in the bloodstream — Stock Photo
    Red blood cells in the bloodstream
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration.
    Plant leaf structure, illustration. Cross-section of a typical plant leaf. In most plants, leaves are the major site of photosynthesis — Stock Photo
    Plant leaf structure, illustration. Cross-section of a typical plant leaf. In most plants, leaves are the major site of photosynthesis
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Testicular cancer or teratoma — Stock Photo
    Testicular cancer or teratoma
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Nerve cells and intercellular junctions — Stock Photo
    Nerve cells and intercellular junctions
    Structure of white blood cell — Stock Photo
    Structure of white blood cell
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Colored scanning electron micrograph of stem cell-derived motor neuron cell. — Stock Photo
    Colored scanning electron micrograph of stem cell-derived motor neuron cell.
    Zygote development 24-36 hours after fertilization — Stock Photo
    Zygote development 24-36 hours after fertilization
    Visual rendering of Human cells — Stock Photo
    Visual rendering of Human cells
    Light micrograph of goblet cells in colon. — Stock Photo
    Light micrograph of goblet cells in colon.
    Fibrosarcoma cells in late stage of mitosis — Stock Photo
    Fibrosarcoma cells in late stage of mitosis
    Coloured scanning electron micrograph of breast cancer cells. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cells.
    Visual rendering of Cells — Stock Photo
    Visual rendering of Cells
    Abstract animal cells, digital illustration. — Stock Photo
    Abstract animal cells, digital illustration.
    Carcinoma cell, coloured transmission electron micrograph (TEM). — Stock Photo
    Carcinoma cell, coloured transmission electron micrograph (TEM).
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Digital illustration of cell in early stage of programmed cell death. — Stock Photo
    Digital illustration of cell in early stage of programmed cell death.
    Red blood cells — Stock Photo
    Red blood cells
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Fat cells, computer illustration — Stock Photo
    Fat cells, computer illustration
    Cell membrane structure, digital illustration. — Stock Photo
    Cell membrane structure, digital illustration.
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Human sperm cells — Stock Photo
    Human sperm cells
    Microvilli of gallbladder surface — Stock Photo
    Microvilli of gallbladder surface
    Red blood cells — Stock Photo
    Red blood cells
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    Illustration of sphere vesicles transporting along microtubule by kinesin proteins. — Stock Photo
    Illustration of sphere vesicles transporting along microtubule by kinesin proteins.
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus — Stock Photo
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus