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    Human cardiac muscle, light micrograph. — Stock Photo
    Human cardiac muscle, light micrograph.
    Stomach surface epithelium, light micrograph (LM). The surface epithelium of the stomach is a simple columnar epithelium formed by tall mucous cells that invaginate to form the gastric pits — Stock Photo
    Stomach surface epithelium, light micrograph (LM). The surface epithelium of the stomach is a simple columnar epithelium formed by tall mucous cells that invaginate to form the gastric pits
    Human skin anatomy and blood supply — Stock Photo
    Human skin anatomy and blood supply
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Cancer cell, computer illustration. — Stock Photo
    Cancer cell, 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
    Mature virus and budding release of HIV — Stock Photo
    Mature virus and budding release of HIV
    Elementary age girl sneezing into tissue. — Stock Photo
    Elementary age girl sneezing into tissue.
    Digital illustration of human bone anatomy. — Stock Photo
    Digital illustration of human bone anatomy.
    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.
    Animal cells with mitochondria, illustration. — Stock Photo
    Animal cells with mitochondria, illustration.
    Cancer cell with filaments — Stock Photo
    Cancer cell with filaments
    Immature parasitic trematode — Stock Photo
    Immature parasitic trematode
    Closeup view of cinnamon Danish pastry on plate — Stock Photo
    Closeup view of cinnamon Danish pastry on plate
    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
    Man standing near sink in washroom at home — Stock Photo
    Man standing near sink in washroom at home
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Collagen bundles from the delicate connective tissue — Stock Photo
    Collagen bundles from the delicate connective tissue
    Coloured scanning electron micrograph (SEM) of sensory hair cells in the cochlea of the inner ear. — Stock Photo
    Coloured scanning electron micrograph (SEM) of sensory hair cells in the cochlea of the inner ear.
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown) — Stock Photo
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown)
    Closeup view of sweet potato fritters with herbal dip — Stock Photo
    Closeup view of sweet potato fritters with herbal dip
    Illustration of human heart anatomy on grey background. — Stock Photo
    Illustration of human heart anatomy on grey background.
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Sick Caucasian woman spending time at home, social distancing and self isolation in quarantine lockdown, lying in bed, holding tissue. — Stock Photo
    Sick Caucasian woman spending time at home, social distancing and self isolation in quarantine lockdown, lying in bed, holding tissue.
    Neck and head muscles in female body, computer illustration — Stock Photo
    Neck and head muscles in female body, computer illustration
    Close up of blue jeans pockets. — Stock Photo
    Close up of blue jeans pockets.
    Human heart in cross-section and whole with vessels on white background. — Stock Photo
    Human heart in cross-section and whole with vessels on white background.
    Confocal light micrograph of mammalian fibroblast cells. — Stock Photo
    Confocal light micrograph of mammalian fibroblast cells.
    Human bone marrow, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human bone marrow, light micrograph. Haematoxylin and eosin stain.
    Male basketball player muscles while running with ball, computer illustration. — Stock Photo
    Male basketball player muscles while running with ball, computer illustration.
    Anatomy of the gluteal muscles in the human buttocks — Stock Photo
    Anatomy of the gluteal muscles in the human buttocks
    X-ray of large shoulder lipoma — Stock Photo
    X-ray of large shoulder lipoma
    Woman with TAR Syndrome picking up an item with her feet — Stock Photo
    Woman with TAR Syndrome picking up an item with her feet
    Elementary age girl wiping nose in tissue. — Stock Photo
    Elementary age girl wiping nose in tissue.
    Human vein showing tissue stratification — Stock Photo
    Human vein showing tissue stratification
    Medical illustration of alveoli on black background — Stock Photo
    Medical illustration of alveoli on black background
    Intestinal villi, computer illustration — Stock Photo
    Intestinal villi, computer illustration
    Medical illustration of female breast anatomy — Stock Photo
    Medical illustration of female breast anatomy
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Digital illustration of human bone structure. — Stock Photo
    Digital illustration of human bone structure.
    Chocolate and kiwi tart — Stock Photo
    Chocolate and kiwi tart
    Adipose tissue composed of adipocytes — Stock Photo
    Adipose tissue composed of adipocytes
    Mother with tissue wiping adorable little daughters face covered with body art paints — Stock Photo
    Mother with tissue wiping adorable little daughters face covered with body art paints
    Shoulder muscles, bones and joints of female body, computer illustration — Stock Photo
    Shoulder muscles, bones and joints of female body, computer illustration
    Male muscle anatomy of the human legs — Stock Photo
    Male muscle anatomy of the human legs
    Salmonella sp. bacteria on tissue surface — Stock Photo
    Salmonella sp. bacteria on tissue surface
    Layer of cells, computer illustration — Stock Photo
    Layer of cells, computer illustration
    Normal human alveoli anatomy — Stock Photo
    Normal human alveoli anatomy
    Nerve cell with pink colored axon on blue background, digital illustration. — Stock Photo
    Nerve cell with pink colored axon on blue background, digital illustration.
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma. — Stock Photo
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma.
    Tendon showing the parallel collagen fibres — Stock Photo
    Tendon showing the parallel collagen fibres
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (blue) and large intercellular air spaces (holes). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (blue) and large intercellular air spaces (holes).
    False-colour scanning electron micrograph of a section of healthy lung tissue, showing the microscopic air sacs (alveoli) where gas exchange takes place. — Stock Photo
    False-colour scanning electron micrograph of a section of healthy lung tissue, showing the microscopic air sacs (alveoli) where gas exchange takes place.
    Dentist putting on surgical gloves while patient lying in chair — Stock Photo
    Dentist putting on surgical gloves while patient lying in chair
    Male hips and buttocks muscles, computer illustration. — Stock Photo
    Male hips and buttocks muscles, computer illustration.
    Bacterial infection of tissue lining — Stock Photo
    Bacterial infection of tissue lining
    Purple colored nerve cell on white background, digital illustration. — Stock Photo
    Purple colored nerve cell on white background, digital illustration.
    Fat cells and supportive connective tissue — Stock Photo
    Fat cells and supportive connective tissue
    Female technician programming machine in nanofibre laboratory. — Stock Photo
    Female technician programming machine in nanofibre laboratory.