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266 results

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    Adenocarcinoma of the sigmoid colon — Stock Photo
    Adenocarcinoma of the sigmoid colon
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Light micrograph of a cross section through a grape vine (Vitis sp.) stem. — Stock Photo
    Light micrograph of a cross section through a grape vine (Vitis sp.) stem.
    Human white blood cell — Stock Photo
    Human white blood cell
    Structure of cellular organelles — Stock Photo
    Structure of cellular organelles
    Structure of trachea, light micrograph. — Stock Photo
    Structure of trachea, light micrograph.
    Animal Cells in culture — Stock Photo
    Animal Cells in culture
    Fallopian tube, TEM — Stock Photo
    Fallopian tube, TEM
    Human sperm cells — Stock Photo
    Human sperm cells
    Gall bladder lining — Stock Photo
    Gall bladder lining
    Light micrograph (LM) of a section through the fingertip. — Stock Photo
    Light micrograph (LM) of a section through the fingertip.
    Section through the nasal mucosa — Stock Photo
    Section through the nasal mucosa
    Animal Cells in culture — Stock Photo
    Animal Cells in culture
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Columnar epithelium structure — Stock Photo
    Columnar epithelium structure
    Gum tissue with gingivitis — Stock Photo
    Gum tissue with gingivitis
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Fallopian tube cellular structure — Stock Photo
    Fallopian tube cellular structure
    Gum tissue with gingivitis — Stock Photo
    Gum tissue with gingivitis
    Human sperm cells — Stock Photo
    Human sperm cells
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    Human sperm cells — Stock Photo
    Human sperm cells
    Duct is lined with pseudostratified epithelium — Stock Photo
    Duct is lined with pseudostratified epithelium
    Human white blood cell — Stock Photo
    Human white blood cell
    Human sperm cells — Stock Photo
    Human sperm cells
    Structure of cellular organelles — Stock Photo
    Structure of cellular organelles
    Human brain cells — Stock Photo
    Human brain cells
    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue.
    Light micrograph (LM) of a vertical section through the pseudostratified columnar epithelium from the trachea, the tube in the throat leading from the mouth to the bronchus and the lungs. — Stock Photo
    Light micrograph (LM) of a vertical section through the pseudostratified columnar epithelium from the trachea, the tube in the throat leading from the mouth to the bronchus and the lungs.
    Section through the olfactory epithelium — Stock Photo
    Section through the olfactory epithelium
    Nerve cells and axon structures — Stock Photo
    Nerve cells and axon structures
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Epithelium from a fallopian tube — Stock Photo
    Epithelium from a fallopian tube
    Gum tissue with gingivitis — Stock Photo
    Gum tissue with gingivitis
    Magnified digital illustration of leukocyte cell. — Stock Photo
    Magnified digital illustration of leukocyte cell.
    Light micrograph of goblet cells in colon. — Stock Photo
    Light micrograph of goblet cells in colon.
    Transitional epithelium in urinary bladder, digital illustration. — Stock Photo
    Transitional epithelium in urinary bladder, digital illustration.
    3d illustration of top view of skin-colored cell pattern. — Stock Photo
    3d illustration of top view of skin-colored cell pattern.
    Cell membrane structure, digital illustration. — Stock Photo
    Cell membrane structure, digital illustration.
    Transparent cells on grey background, digital illustration. — Stock Photo
    Transparent cells on grey background, digital illustration.
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Neutrophil white blood cell in blood, digital artwork. — Stock Photo
    Neutrophil white blood cell in blood, digital artwork.
    Cell membrane structure, digital illustration. — Stock Photo
    Cell membrane structure, digital illustration.
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital illustration.
    Medical illustration of human cell structure on dark background. — Stock Photo
    Medical illustration of human cell structure on dark background.
    Magnified digital illustration of mast cell. — Stock Photo
    Magnified digital illustration of mast cell.
    Cell membrane structure, digital illustration. — Stock Photo
    Cell membrane structure, digital illustration.
    Endorphin molecules binding to receptors, illustration. — Stock Photo
    Endorphin molecules binding to receptors, illustration.
    Molecular model of pink mdm2 protein binding to anti-cancer protein p53. — Stock Photo
    Molecular model of pink mdm2 protein binding to anti-cancer protein p53.
    Leaf epidermis, light micrograph. Leaf epidermis has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration. — Stock Photo
    Leaf epidermis, light micrograph. Leaf epidermis has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration.
    Cellular organelles and mitochondrion — Stock Photo
    Cellular organelles and mitochondrion
    Freeze-fractured lens of an eye — Stock Photo
    Freeze-fractured lens of an eye
    Magnified digital illustration of neutrophil cell. — Stock Photo
    Magnified digital illustration of neutrophil cell.
    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue.
    Molecular model of the anti-cancer protein p53. — Stock Photo
    Molecular model of the anti-cancer protein p53.
    Magnified digital illustration of eosinophil cell. — Stock Photo
    Magnified digital illustration of eosinophil cell.
    Monocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Monocyte white blood cell in blood smear, digital illustration.
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.