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    Blue cells on black background, digital illustration. — Stock Photo
    Blue cells on black background, digital illustration.
    Neutrophil cells aggregating at site of infection — Stock Photo
    Neutrophil cells aggregating at site of infection
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system. — Stock Photo
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system.
    Animal cells with mitochondria, digital illustration. — Stock Photo
    Animal cells with mitochondria, digital illustration.
    Coloured scanning electron micrograph of breast cancer cells. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cells.
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei. — Stock Photo
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei.
    Embryonic stem cells — Stock Photo
    Embryonic stem cells
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    Medical illustration of human cell structure on white background. — Stock Photo
    Medical illustration of human cell structure on white background.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Fat cells, computer illustration — Stock Photo
    Fat cells, computer illustration
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    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.
    Animal cell with mitochondria, digital illustration. — Stock Photo
    Animal cell with mitochondria, digital illustration.
    Osteoclast cell structure — Stock Photo
    Osteoclast cell structure
    Colored scanning electron micrograph of human mesenchymal stem cell. — Stock Photo
    Colored scanning electron micrograph of human mesenchymal stem cell.
    Structure of white blood cell — Stock Photo
    Structure of white blood cell
    Structure of white blood cell — Stock Photo
    Structure of white blood cell
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration. — Stock Photo
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration.
    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
    Medical illustration of human cell structure on white background. — Stock Photo
    Medical illustration of human cell structure on white background.
    Cell with pseudopodia — Stock Photo
    Cell with pseudopodia
    Gum tissue with gingivitis — Stock Photo
    Gum tissue with gingivitis
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei. — Stock Photo
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei.
    Migrating cancer cells — Stock Photo
    Migrating cancer cells
    Light micrograph (LM) of the nasal sinuses ( lined by brown epithelium ) and the supporting cartilages (pink). — Stock Photo
    Light micrograph (LM) of the nasal sinuses ( lined by brown epithelium ) and the supporting cartilages (pink).
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Medical illustration of human cell structure on dark background. — Stock Photo
    Medical illustration of human cell structure on dark background.
    Lymphocyte white blood cells — Stock Photo
    Lymphocyte white blood cells
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Red blood cells — Stock Photo
    Red blood cells
    Section through the olfactory epithelium — Stock Photo
    Section through the olfactory epithelium
    White blood cells — Stock Photo
    White blood cells
    Red blood cells — Stock Photo
    Red blood cells
    Digital illustration of structure of bilayer with phospholipids plasma membrane enclosing cells. — Stock Photo
    Digital illustration of structure of bilayer with phospholipids plasma membrane enclosing cells.
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Colored scanning electron micrograph of breast cancer cell. — Stock Photo
    Colored scanning electron micrograph of breast cancer cell.
    Basophil white blood cell, digital illustration. — Stock Photo
    Basophil white blood cell, digital 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.
    Structure of animal cell — Stock Photo
    Structure of animal cell
    Male sex cell — Stock Photo
    Male sex cell
    Animal Cells in culture — Stock Photo
    Animal Cells in culture
    Microscopic view of pancreatic cancer cell — Stock Photo
    Microscopic view of pancreatic cancer cell
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    Light micrograph (LM) of a section through the fingertip. — Stock Photo
    Light micrograph (LM) of a section through the fingertip.
    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.
    Cell membrane, illustration, colorful image — Stock Photo
    Cell membrane, illustration, colorful image
    Human brain cells — Stock Photo
    Human brain cells
    Human sperm cells — Stock Photo
    Human sperm cells
    Human blood cells — Stock Photo
    Human blood cells
    Cells dividing, computer illustration — Stock Photo
    Cells dividing, computer illustration
    Osteoclast cell structure — Stock Photo
    Osteoclast cell structure
    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.
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration.
    3d illustration of a lysosome organelle within a eukaryotic cell. Lysosomes are enzyme-filled vesicles that break down waste material, foreign bodies and cellular debris. — Stock Photo
    3d illustration of a lysosome organelle within a eukaryotic cell. Lysosomes are enzyme-filled vesicles that break down waste material, foreign bodies and cellular debris.
    Male sex cell — Stock Photo
    Male sex cell
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.