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    Layer of cells, light micrograph and computer illustration. — Stock Photo
    Layer of cells, light micrograph and computer illustration.
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets. — Stock Photo
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets.
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Visual rendering of Animal cells — Stock Photo
    Visual rendering of Animal cells
    3d illustration of cell division, cell membrane and splitting red nucleus. — Stock Photo
    3d illustration of cell division, cell membrane and splitting red nucleus.
    Nerve cells and axon connections — Stock Photo
    Nerve cells and axon connections
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration. — Stock Photo
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration.
    Structure of animal cell — Stock Photo
    Structure of animal cell
    Medical illustration of human cell structure on white background. — Stock Photo
    Medical illustration of human cell structure on white background.
    Cell membrane, illustration, colorful image — Stock Photo
    Cell membrane, illustration, colorful image
    Healthy red and white blood cells — Stock Photo
    Healthy red and white blood cells
    Digital illustration of cell in early stage of programmed cell death. — Stock Photo
    Digital illustration of cell in early stage of programmed cell death.
    Medical illustration of human cell structure on black background. — Stock Photo
    Medical illustration of human cell structure on black background.
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    Colored scanning electron micrograph of human mesenchymal stem cell. — Stock Photo
    Colored scanning electron micrograph of human mesenchymal stem cell.
    Lymphocyte cell structure and shape — Stock Photo
    Lymphocyte cell structure and shape
    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.
    Section through the nasal mucosa — Stock Photo
    Section through the nasal mucosa
    Researcher handling stem cell cultures in laboratory during research. — Stock Photo
    Researcher handling stem cell cultures in laboratory during research.
    Osteoclast cell structure — Stock Photo
    Osteoclast cell structure
    Visual rendering of Human cells — Stock Photo
    Visual rendering of Human cells
    Neutrophil and monocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Neutrophil and monocyte white blood cells in blood smear, digital illustration.
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails
    Nerve cells and axons — Stock Photo
    Nerve cells and axons
    Structure and shape of basophil — Stock Photo
    Structure and shape of basophil
    Dividing stem cells — Stock Photo
    Dividing stem cells
    Microvilli of gallbladder surface — Stock Photo
    Microvilli of gallbladder surface
    Osteoclast cell structure — Stock Photo
    Osteoclast cell structure
    Medical illustration of human cell structure on black background. — Stock Photo
    Medical illustration of human cell structure on black background.
    Nerve cells and axons — Stock Photo
    Nerve cells and axons
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Structure and shape of basophil — Stock Photo
    Structure and shape of basophil
    Medical illustration of human cell structure on white background. — Stock Photo
    Medical illustration of human cell structure on white background.
    Bone marrow cell — Stock Photo
    Bone marrow 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.
    Lysosome fusing with autophagosome — Stock Photo
    Lysosome fusing with autophagosome
    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.
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Fractured pancreas tissue — Stock Photo
    Fractured pancreas tissue
    Structure and shape of basophil — Stock Photo
    Structure and shape of basophil
    Animal Cells in culture — Stock Photo
    Animal Cells in culture
    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 structure, digital illustration. — Stock Photo
    Cell membrane structure, digital illustration.
    Structure of animal cell — Stock Photo
    Structure of animal cell
    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.
    Colored scanning electron micrograph of breast cancer cell. — Stock Photo
    Colored scanning electron micrograph of breast cancer cell.
    Migrating cancer cells — Stock Photo
    Migrating cancer cells
    Cancer cells dividing — Stock Photo
    Cancer cells dividing
    Microscopic view of pancreatic cancer cell — Stock Photo
    Microscopic view of pancreatic cancer cell
    Adipose tissue composed of adipocytes — Stock Photo
    Adipose tissue composed of adipocytes
    Cancer cells on tissue surface — Stock Photo
    Cancer cells on tissue surface
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Human sperm cells — Stock Photo
    Human sperm cells
    Neutrophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cell and red blood cells, digital illustration.
    Nerve cell structure — Stock Photo
    Nerve cell structure
    Cell membrane structure, digital illustration. — Stock Photo
    Cell membrane structure, digital illustration.
    Illustration of transmembrane proteins and glycolipids on outer surface of cell membrane. — Stock Photo
    Illustration of transmembrane proteins and glycolipids on outer surface of cell membrane.
    Animal Cells in culture — Stock Photo
    Animal Cells in culture