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    Coloured scanning electron micrograph of osteocyte bone cell surrounded by bone tissue. — Stock Photo
    Coloured scanning electron micrograph of osteocyte bone cell surrounded by bone tissue.
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain. — Stock Photo
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain.
    3d illustration of red cells pattern, full frame. — Stock Photo
    3d illustration of red cells pattern, full frame.
    Illustration of blue cell membrane on white background. — Stock Photo
    Illustration of blue cell membrane on white background.
    Neurone embedded in grey matter — Stock Photo
    Neurone embedded in grey matter
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain. — Stock Photo
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain.
    Blood clot formed by red blood cells — Stock Photo
    Blood clot formed by red blood cells
    Illustration of blue cell membrane on white background. — Stock Photo
    Illustration of blue cell membrane on white background.
    Illustration of silhouette of pregnant woman with visible uterus and 8 cell stage embryo. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and 8 cell stage embryo.
    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).
    Structure of cellular organelles — Stock Photo
    Structure of cellular organelles
    Transitional epithelium in urinary bladder, digital illustration. — Stock Photo
    Transitional epithelium in urinary bladder, digital illustration.
    3d illustration of aligned cells with red cell in middle. — Stock Photo
    3d illustration of aligned cells with red cell in middle.
    Epithelial lining of Fallopian tube — Stock Photo
    Epithelial lining of Fallopian tube
    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    Nerve cells and intercellular junctions — Stock Photo
    Nerve cells and intercellular junctions
    Structure of trachea, light micrograph. — Stock Photo
    Structure of trachea, light micrograph.
    Layer of cells, computer illustration — Stock Photo
    Layer of cells, computer illustration
    Illustration of blue cell membrane on white background. — Stock Photo
    Illustration of blue cell membrane on white background.
    Nerve cell structure on plain background — Stock Photo
    Nerve cell structure on plain background
    Pseudostratified columnar epithelium, digital illustration. — Stock Photo
    Pseudostratified columnar epithelium, digital illustration.
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow).
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain. — Stock Photo
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain.
    Structure of animal cell — Stock Photo
    Structure of animal cell
    Layer of cells, computer illustration — Stock Photo
    Layer of cells, computer illustration
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain. — Stock Photo
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain.
    Red blood cells with fibrin — Stock Photo
    Red blood cells with fibrin
    Colored scanning electron micrograph of osteoblast osteocyte bone cell. — Stock Photo
    Colored scanning electron micrograph of osteoblast osteocyte bone cell.
    Structure of cellular organelles — Stock Photo
    Structure of cellular organelles
    Illustration of process leading to formation of amyloid protein plaques on neurons in Alzheimer disease. — Stock Photo
    Illustration of process leading to formation of amyloid protein plaques on neurons in Alzheimer disease.
    3d illustration of blue cells pattern with yellow nuclei. — Stock Photo
    3d illustration of blue cells pattern with yellow nuclei.
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (grey) and large intercellular air spaces (holes). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (grey) and large intercellular air spaces (holes).
    Coloured transmission electron micrograph (TEM) of a section through a Langerhans cell from the epidermis of the skin. — Stock Photo
    Coloured transmission electron micrograph (TEM) of a section through a Langerhans cell from the epidermis of the skin.
    Lung bronchiole. Light micrograph of a section through lung tissue and a bronchiole. Bronchi form branches from the trachea and gradually diminish in diameter with increasing branching into bronchioles within the lung — Stock Photo
    Lung bronchiole. Light micrograph of a section through lung tissue and a bronchiole. Bronchi form branches from the trachea and gradually diminish in diameter with increasing branching into bronchioles within the lung
    Digital illustration of human cell anatomy. — Stock Photo
    Digital illustration of human cell anatomy.
    Cellular organelles and mitochondrion — Stock Photo
    Cellular organelles and mitochondrion
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Transitional epithelium in urinary bladder, digital illustration. — Stock Photo
    Transitional epithelium in urinary bladder, digital illustration.
    Layer of cells, computer illustration — Stock Photo
    Layer of cells, computer illustration
    Cellular organelles and mitochondrion — Stock Photo
    Cellular organelles and mitochondrion
    Lungs pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual illustration. — Stock Photo
    Lungs pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual illustration.
    3d illustration of internal structure of human cell. — Stock Photo
    3d illustration of internal structure of human cell.
    Illustration of silhouette of pregnant woman with visible uterus and 4 cell stage embryo. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and 4 cell stage embryo.
    Animal cell structure — Stock Photo
    Animal cell structure
    Close-up 3d illustration of blue cells pattern with red nuclei. — Stock Photo
    Close-up 3d illustration of blue cells pattern with red nuclei.