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    Layer of cells, light micrograph and computer illustration. — Stock Photo
    Layer of cells, light micrograph and computer illustration.
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Gum tissue with gingivitis — Stock Photo
    Gum tissue with gingivitis
    Columnar epithelium structure — Stock Photo
    Columnar epithelium structure
    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.
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Epithelium from a fallopian tube — Stock Photo
    Epithelium from a fallopian tube
    Gum tissue with gingivitis — Stock Photo
    Gum tissue with gingivitis
    Fallopian tube cellular structure — Stock Photo
    Fallopian tube cellular structure
    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.
    Paranasal sinus epithelium — Stock Photo
    Paranasal sinus epithelium
    Freeze-fractured lens of an eye — Stock Photo
    Freeze-fractured lens of an eye
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    Human oesophagus wall — Stock Photo
    Human oesophagus wall
    Epithelium of a foliate papillae of the tongue — Stock Photo
    Epithelium of a foliate papillae of the tongue
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Microvilli of gallbladder surface — Stock Photo
    Microvilli of gallbladder surface
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Section through the olfactory epithelium — Stock Photo
    Section through the olfactory epithelium
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    Abstract biopolymer structure, conceptual illustration. — Stock Photo
    Abstract biopolymer structure, conceptual illustration.
    Human compact bone tissue, light micrograph. — Stock Photo
    Human compact bone tissue, light micrograph.
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Digital artwork of green cancer cell on tissue surface. — Stock Photo
    Digital artwork of green cancer cell on tissue surface.
    Human vein showing tissue stratification — Stock Photo
    Human vein showing tissue stratification
    Lactating breast tissue — Stock Photo
    Lactating breast tissue
    Human vein showing tissue stratification — Stock Photo
    Human vein showing tissue stratification
    Illustration of human heart anatomy on blue background. — Stock Photo
    Illustration of human heart anatomy on blue background.
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Lactating breast tissue — Stock Photo
    Lactating breast tissue
    Illustration of human heart anatomy on blue background. — Stock Photo
    Illustration of human heart anatomy on blue background.
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Layer of cells, computer illustration — Stock Photo
    Layer of cells, computer illustration
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Structure of compact bone, light micrograph. — Stock Photo
    Structure of compact bone, light micrograph.
    Human nerve structure in cross section, digital illustration. — Stock Photo
    Human nerve structure in cross section, digital illustration.
    Fat cells, computer illustration — Stock Photo
    Fat cells, computer illustration
    3d illustration of blue cells pattern with yellow nuclei. — Stock Photo
    3d illustration of blue cells pattern with yellow nuclei.
    Pseudostratified columnar epithelium, digital illustration. — Stock Photo
    Pseudostratified columnar epithelium, digital illustration.
    Fat cells, computer illustration — Stock Photo
    Fat cells, computer illustration
    Blue colored nerve cell on white background, digital illustration. — Stock Photo
    Blue colored nerve cell on white background, digital illustration.
    Transitional epithelium in urinary bladder, digital illustration. — Stock Photo
    Transitional epithelium in urinary bladder, digital illustration.
    Human smooth muscle, light micrograph — Stock Photo
    Human smooth muscle, light micrograph
    Human nerve structure in cross section, digital illustration. — Stock Photo
    Human nerve structure in cross section, digital illustration.
    Fat cells, computer illustration — Stock Photo
    Fat cells, computer illustration
    Nerve cell structure in cross section on white background, digital illustration. — Stock Photo
    Nerve cell structure in cross section on white background, digital illustration.
    Pseudostratified columnar epithelium, digital illustration. — Stock Photo
    Pseudostratified columnar epithelium, digital illustration.
    Duct is lined with pseudostratified epithelium — Stock Photo
    Duct is lined with pseudostratified epithelium
    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.
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes — Stock Photo
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes
    Digital artwork of red cancer cell on tissue surface. — Stock Photo
    Digital artwork of red cancer cell on tissue surface.
    Close-up 3d illustration of blue cells pattern with red nuclei. — Stock Photo
    Close-up 3d illustration of blue cells pattern with red nuclei.
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    Collagen bundles from the delicate connective tissue — Stock Photo
    Collagen bundles from the delicate connective tissue
    Human cardiac muscle, light micrograph. — Stock Photo
    Human cardiac muscle, light micrograph.
    Light micrograph of a section through the surface of a tonsil showing the stratified squamous epithelium (pink) and underlying lymphoid tissue. — Stock Photo
    Light micrograph of a section through the surface of a tonsil showing the stratified squamous epithelium (pink) and underlying lymphoid tissue.
    Illustration of human heart anatomy on grey background. — Stock Photo
    Illustration of human heart anatomy on grey background.
    Bone structure and nanomaterial — Stock Photo
    Bone structure and nanomaterial
    Crypts of Lieberkuhn. Light micrograph (LM). Crypts of Lieberkuhn of the colon shown in cross section. Crypts are long blind-ending tube-like extensions of the surface epithelial lining of the gut — Stock Photo
    Crypts of Lieberkuhn. Light micrograph (LM). Crypts of Lieberkuhn of the colon shown in cross section. Crypts are long blind-ending tube-like extensions of the surface epithelial lining of the gut