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    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree. — Stock Photo
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree.
    Liver cirrhosis. Computer illustration and light micrograph of a section through a human liver with from primary biliary cirrhosis. Cirrhosis is a disease in which bands of fibrosis (internal scarring) break up the internal structure of the liver — Stock Photo
    Liver cirrhosis. Computer illustration and light micrograph of a section through a human liver with from primary biliary cirrhosis. Cirrhosis is a disease in which bands of fibrosis (internal scarring) break up the internal structure of the liver
    Elevated view of various beauty products and flowers in type case — Stock Photo
    Elevated view of various beauty products and flowers in type case
    Hair follicles structure — Stock Photo
    Hair follicles structure
    Colored X-ray of section through thoracic spine of senior male patient with ankylosing spondylitis with severe degeneration of lower thoracic spine. — Stock Photo
    Colored X-ray of section through thoracic spine of senior male patient with ankylosing spondylitis with severe degeneration of lower thoracic spine.
    Section through a thyroid gland — Stock Photo
    Section through a thyroid gland
    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).
    Bald scalp cross-section, light micrograph. — Stock Photo
    Bald scalp cross-section, light micrograph.
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Polished sectioned ammonite fossil on white background. — Stock Photo
    Polished sectioned ammonite fossil on white background.
    Lime tree stem — Stock Photo
    Lime tree stem
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Covid-19 coronavirus particle, computer illustration — Stock Photo
    Covid-19 coronavirus particle, computer illustration
    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
    Parotid salivary gland — Stock Photo
    Parotid salivary gland
    Young pine tree stem — Stock Photo
    Young pine tree stem
    Light micrograph of a section through skin with a neurofibroma tumour (pink, across bottom). — Stock Photo
    Light micrograph of a section through skin with a neurofibroma tumour (pink, across bottom).
    Light micrograph (LM) of longitudinal section through a fetal finger tip to show the developing nail. — Stock Photo
    Light micrograph (LM) of longitudinal section through a fetal finger tip to show the developing nail.
    Colon lining and mucous producing cells — Stock Photo
    Colon lining and mucous producing cells
    Paranasal sinus epithelium — Stock Photo
    Paranasal sinus epithelium
    Lily stem. Light micrograph(LM) of section through part of lily (Lilium) stem. Thin outer epidermis surrounds layer of cortex. At center is pith, which contains numerous vascular bundles (yellow) — Stock Photo
    Lily stem. Light micrograph(LM) of section through part of lily (Lilium) stem. Thin outer epidermis surrounds layer of cortex. At center is pith, which contains numerous vascular bundles (yellow)
    Mucosa structure of the cervix — Stock Photo
    Mucosa structure of the cervix
    Squamous carcinoma of the skin — Stock Photo
    Squamous carcinoma of the skin
    Coloured scanning electron micrograph (SEM) of a section through healthy skin. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through healthy skin.
    Section through a peanut stem — Stock Photo
    Section through a peanut stem
    Section through a nasal polyp — Stock Photo
    Section through a nasal polyp
    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).
    Degenerative foot deformation, X-ray — Stock Photo
    Degenerative foot deformation, X-ray
    Pinned fractured hip — Stock Photo
    Pinned fractured hip
    Villi of the intestine — Stock Photo
    Villi of the intestine