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    Section through the olfactory epithelium — Stock Photo
    Section through the olfactory epithelium
    Mature woman blowing nose on tissue. — Stock Photo
    Mature woman blowing nose on tissue.
    Colored scanning electron micrograph showing urethral epithelium of urethra. — Stock Photo
    Colored scanning electron micrograph showing urethral epithelium of urethra.
    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
    Preteen boy blowing nose indoors. — Stock Photo
    Preteen boy blowing nose indoors.
    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
    Male hips and buttocks muscles, computer illustration. — Stock Photo
    Male hips and buttocks muscles, computer illustration.
    Illustration of removal of colonic polyp with electrical wire loop during colonoscopy. — Stock Photo
    Illustration of removal of colonic polyp with electrical wire loop during colonoscopy.
    Slice of pepperoni pizza — Stock Photo
    Slice of pepperoni pizza
    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.
    Man with gynecomastia disorder, digital illustration. — Stock Photo
    Man with gynecomastia disorder, digital illustration.
    Human heart with blood vessels and bronchial tree on white background. — Stock Photo
    Human heart with blood vessels and bronchial tree on white background.
    Male muscle anatomy of the human legs — Stock Photo
    Male muscle anatomy of the human legs
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes. — Stock Photo
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes.
    Closeup cropped view of woman holding marzipan fruits on stand — Stock Photo
    Closeup cropped view of woman holding marzipan fruits on stand
    Male muscle anatomy of the human legs — Stock Photo
    Male muscle anatomy of the human legs
    Sick little boy blowing nose while sitting on hospital bed with female nurse standing nearby — Stock Photo
    Sick little boy blowing nose while sitting on hospital bed with female nurse standing nearby
    Anatomy of male muscles in upper body — Stock Photo
    Anatomy of male muscles in upper body
    Close-up of mince pies on kitchen table. — Stock Photo
    Close-up of mince pies on kitchen table.
    Salmonella sp. bacteria on tissue surface — Stock Photo
    Salmonella sp. bacteria on tissue surface
    Pile of cookies on tissue paper — Stock Photo
    Pile of cookies on tissue paper
    Mid adult woman blowing nose with tissue. — Stock Photo
    Mid adult woman blowing nose with tissue.
    Conceptual image of female breast anatomy — Stock Photo
    Conceptual image of female breast anatomy
    Fat cells and supportive connective tissue — Stock Photo
    Fat cells and supportive connective tissue
    Colored thyroid cancer cells, digital illustration. — Stock Photo
    Colored thyroid cancer cells, digital illustration.
    Abstract green colored cancer cells on tissue, digital illustration. — Stock Photo
    Abstract green colored cancer cells on tissue, digital illustration.
    Dentist putting on surgical gloves while patient lying in chair — Stock Photo
    Dentist putting on surgical gloves while patient lying in chair
    Light micrograph (LM) of the nasal sinuses ( lined by brown epithelium ) and the supporting cartilages (pink). — Stock Photo
    Light micrograph (LM) of the nasal sinuses ( lined by brown epithelium ) and the supporting cartilages (pink).
    View of Heart anatomy — Stock Photo
    View of Heart anatomy
    Fat cell anatomy, computer illustration. — Stock Photo
    Fat cell anatomy, computer illustration.
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    African American senior man sitting by a table, cleaning a smartphone with a tissue, social distancing and self isolation in quarantine lockdown — Stock Photo
    African American senior man sitting by a table, cleaning a smartphone with a tissue, social distancing and self isolation in quarantine lockdown
    Skin anatomy showing tissue stratification — Stock Photo
    Skin anatomy showing tissue stratification
    Human cardiac muscle, light micrograph. — Stock Photo
    Human cardiac muscle, light micrograph.
    Cancer cell, computer illustration. — Stock Photo
    Cancer cell, computer illustration.
    Human intestinal villi, computer illustration. — Stock Photo
    Human intestinal villi, computer illustration.
    Female body with visible outer intercostal muscles, computer illustration. — Stock Photo
    Female body with visible outer intercostal muscles, computer illustration.
    Cancer invasion into surrounding tissues, conceptual computer illustration. — Stock Photo
    Cancer invasion into surrounding tissues, conceptual computer illustration.
    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)
    Mid adult woman blowing nose with tissue. — Stock Photo
    Mid adult woman blowing nose with tissue.
    Human heart with vessels, lungs, bronchial tree and cut rib cage in x-ray effect on black background. — Stock Photo
    Human heart with vessels, lungs, bronchial tree and cut rib cage in x-ray effect on black background.
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres. — Stock Photo
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres.
    Helianthus stem. Light micrograph (LM) of stem of perennial sunflower (Helianthus sp.) in cross-section showing vascular bundles (green, yellow). Vascular tissues transport water and dissolved substances inside plant — Stock Photo
    Helianthus stem. Light micrograph (LM) of stem of perennial sunflower (Helianthus sp.) in cross-section showing vascular bundles (green, yellow). Vascular tissues transport water and dissolved substances inside plant
    Female abdominal muscles, computer illustration — Stock Photo
    Female abdominal muscles, computer illustration
    Light micrograph of a section of stomach tissue showing a lesion (centre) caused by a gastric ulcer. — Stock Photo
    Light micrograph of a section of stomach tissue showing a lesion (centre) caused by a gastric ulcer.
    Runner silhouette showing anatomy of muscles, computer illustration. — Stock Photo
    Runner silhouette showing anatomy of muscles, computer illustration.
    Scanning electron micrograph (SEM) of sarcoma cells in culture. — Stock Photo
    Scanning electron micrograph (SEM) of sarcoma cells in culture.
    Digital illustration and light micrograph of squamous cell carcinoma of lung. — Stock Photo
    Digital illustration and light micrograph of squamous cell carcinoma of lung.
    Human heart with vessels and cut rib cage on white background. — Stock Photo
    Human heart with vessels and cut rib cage on white background.
    Coloured scanning electron micrograph of human cancellous spongy bone tissue. — Stock Photo
    Coloured scanning electron micrograph of human cancellous spongy bone tissue.
    Abstract close-up of blue fabric structure, digital illustration. — Stock Photo
    Abstract close-up of blue fabric structure, digital illustration.
    Anatomy of human salivary glands — Stock Photo
    Anatomy of human salivary glands
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Closeup view of shrimp cocktail with baguette — Stock Photo
    Closeup view of shrimp cocktail with baguette
    A Caucasian woman spending time at home, blowing her nose. Lifestyle at home isolating, social distancing in quarantine lockdown during coronavirus covid 19 pandemic. — Stock Photo
    A Caucasian woman spending time at home, blowing her nose. Lifestyle at home isolating, social distancing in quarantine lockdown during coronavirus covid 19 pandemic.
    Human cardiac muscle, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human cardiac muscle, light micrograph. Haematoxylin and eosin stain.
    Hair follicles of human skin — Stock Photo
    Hair follicles of human skin
    Human silhouette showing heart with blood vessels and bronchial tree on white background. — Stock Photo
    Human silhouette showing heart with blood vessels and bronchial tree on white background.
    Layer of cells, computer illustration — Stock Photo
    Layer of cells, computer illustration
    View of Breast anatomy — Stock Photo
    View of Breast anatomy