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    Phase contrast light micrograph of Paramecium a ciliate protozoan. — Stock Photo
    Phase contrast light micrograph of Paramecium a ciliate protozoan.
    Digital illustration of human cilia cells. — Stock Photo
    Digital illustration of human cilia cells.
    Cilia covering the epithelial lining of the nasopharyx — Stock Photo
    Cilia covering the epithelial lining of the nasopharyx
    Coloured scanning electron micrograph (SEM) of adenocarcinoma (cancer) of the uterus. — Stock Photo
    Coloured scanning electron micrograph (SEM) of adenocarcinoma (cancer) of the uterus.
    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.
    Digital illustration of human cilia cells. — Stock Photo
    Digital illustration of human cilia cells.
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats. They are predatory organism, feeding on other ciliate protozoans, mainly Paramecium — Stock Photo
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats. They are predatory organism, feeding on other ciliate protozoans, mainly Paramecium
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    Paramecium ciliate protozoan — Stock Photo
    Paramecium ciliate protozoan
    Ciliated type cells, digital illustration. — Stock Photo
    Ciliated type cells, digital illustration.
    Paramecium ciliate protozoan — Stock Photo
    Paramecium ciliate protozoan
    Epithelial lining of Fallopian tube — Stock Photo
    Epithelial lining of Fallopian tube
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red).
    Digital illustration of human cilia cells. — Stock Photo
    Digital illustration of human cilia cells.
    Columnar epithelium structure — Stock Photo
    Columnar epithelium structure
    Digital illustration of human cilia cells. — Stock Photo
    Digital illustration of human cilia cells.
    Digital illustration of human cilia cells. — Stock Photo
    Digital illustration of human cilia cells.
    Magnified digital illustration of fertilisation of egg cell. — Stock Photo
    Magnified digital illustration of fertilisation of egg cell.
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats — Stock Photo
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    Fallopian tube, TEM — Stock Photo
    Fallopian tube, TEM
    Digital illustration of human cilia cells. — Stock Photo
    Digital illustration of human cilia cells.
    Surface of a fallopian tube — Stock Photo
    Surface of a fallopian tube
    Paranasal sinus epithelium — Stock Photo
    Paranasal sinus epithelium
    Magnified digital illustration of fertilisation of egg cell. — Stock Photo
    Magnified digital illustration of fertilisation of egg 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.
    Epithelium from a fallopian tube — Stock Photo
    Epithelium from a fallopian tube
    Surface of a fallopian tube — Stock Photo
    Surface of a fallopian tube
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    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.
    Cilia covering the epithelial lining of the nasopharyx — Stock Photo
    Cilia covering the epithelial lining of the nasopharyx
    Ciliated cells, digital illustration. — Stock Photo
    Ciliated cells, digital illustration.
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats. They are predatory organism, feeding on other ciliate protozoans, mainly Paramecium — Stock Photo
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats. They are predatory organism, feeding on other ciliate protozoans, mainly Paramecium