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    Mid adult blonde woman blowing nose in tissue. — Stock Photo
    Mid adult blonde woman blowing nose in tissue.
    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
    Cancer cell, computer illustration. — Stock Photo
    Cancer cell, computer illustration.
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (pink) — Stock Photo
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (pink)
    Bone marrow cellular structure — Stock Photo
    Bone marrow cellular structure
    From above confident specialist in surgical gloves making injection with syringe and working with dental tools in mouth of patient lying under bright light in chair in cabinet — Stock Photo
    From above confident specialist in surgical gloves making injection with syringe and working with dental tools in mouth of patient lying under bright light in chair in cabinet
    Rhomboid muscles in human back bones, computer illustration. — Stock Photo
    Rhomboid muscles in human back bones, computer illustration.
    Digital illustration of human bone structure. — Stock Photo
    Digital illustration of human bone structure.
    Normal human alveoli anatomy — Stock Photo
    Normal human alveoli anatomy
    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
    Roasted beef slices and fresh salad — Stock Photo
    Roasted beef slices and fresh salad
    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.
    Microvilli of gallbladder surface — Stock Photo
    Microvilli of gallbladder surface
    Fat cell anatomy, computer illustration. — Stock Photo
    Fat cell anatomy, computer illustration.
    Abstract green colored cancer cells on tissue, digital illustration. — Stock Photo
    Abstract green colored cancer cells on tissue, digital illustration.
    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
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Anatomy of human skin — Stock Photo
    Anatomy of human skin
    Mature man sneezing into handkerchief. — Stock Photo
    Mature man sneezing into handkerchief.
    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.
    Dense connective tissue, coloured scanning electron micrograph (SEM). — Stock Photo
    Dense connective tissue, coloured scanning electron micrograph (SEM).
    Female anatomy showing internal organs on white background. — Stock Photo
    Female anatomy showing internal organs on white background.
    Alzheimer's disease. Illustration of amyloid plaques amongst neurons and neurofibrillary tangles inside neurons. Amyloid plaques are characteristic features of Alzheimer's disease — Stock Photo
    Alzheimer's disease. Illustration of amyloid plaques amongst neurons and neurofibrillary tangles inside neurons. Amyloid plaques are characteristic features of Alzheimer's disease
    Bacterial infection of tissue lining — Stock Photo
    Bacterial infection of tissue lining
    Female body with visible back muscles, computer illustration — Stock Photo
    Female body with visible back muscles, computer illustration
    Fat cells, computer illustration — Stock Photo
    Fat cells, computer illustration
    Top view of fast food with a gold colored disposable food set — Stock Photo
    Top view of fast food with a gold colored disposable food set
    Close-up of salad with fork and knife on table in cafe — Stock Photo
    Close-up of salad with fork and knife on table in cafe
    Areolar connective tissue, light micrograph. — Stock Photo
    Areolar connective tissue, light micrograph.
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Lung tissue, coloured transmission electron micrograph (TEM). A pulmonary capillary containing two red blood cells (red) and three platelets (blue). A basement membrane (pink) surround the endothelium separating it from the alveolar epithelium — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM). A pulmonary capillary containing two red blood cells (red) and three platelets (blue). A basement membrane (pink) surround the endothelium separating it from the alveolar epithelium
    Closeup view of a one hamburger on white tissue and paper plates — Stock Photo
    Closeup view of a one hamburger on white tissue and paper plates
    Liver tissue, light micrograph. Animal tissue. — Stock Photo
    Liver tissue, light micrograph. Animal tissue.
    Freeze-fractured lens of an eye — Stock Photo
    Freeze-fractured lens of an eye
    Bagel with tomato and mozzarella — Stock Photo
    Bagel with tomato and mozzarella
    Male baseball player muscles while holding bat, computer illustration. — Stock Photo
    Male baseball player muscles while holding bat, computer illustration.
    Blonde woman on toilet watching phone while she is pissing or shitting. Vertical photo — Stock Photo
    Blonde woman on toilet watching phone while she is pissing or shitting. Vertical photo
    Hot dog with ketchup on plate — Stock Photo
    Hot dog with ketchup on plate
    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)
    Simple columnar epithelium, light micrograph — Stock Photo
    Simple columnar epithelium, light micrograph
    Human cardiac muscle, light micrograph. — Stock Photo
    Human cardiac muscle, light micrograph.
    Digital illustration of human bone anatomy. — Stock Photo
    Digital illustration of human bone anatomy.
    3d illustration of top view of skin-colored cell pattern. — Stock Photo
    3d illustration of top view of skin-colored cell pattern.
    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.
    Closeup view of cinnamon Danish pastry on plate — Stock Photo
    Closeup view of cinnamon Danish pastry on plate
    Adipocyte fat cell — Stock Photo
    Adipocyte fat cell
    Bean veggie burger — Stock Photo
    Bean veggie burger
    Normal human alveoli anatomy — Stock Photo
    Normal human alveoli anatomy
    Dentist putting on surgical gloves while patient lying in chair — Stock Photo
    Dentist putting on surgical gloves while patient lying in chair
    Foreign body in finger — Stock Photo
    Foreign body in finger
    Female scientist holding multi-well plate with growth medium. — Stock Photo
    Female scientist holding multi-well plate with growth medium.
    View of Breast anatomy — Stock Photo
    View of Breast anatomy
    Human intestinal villi, computer illustration. — Stock Photo
    Human intestinal villi, computer illustration.
    Illustration of human heart anatomy on blue background. — Stock Photo
    Illustration of human heart anatomy on blue background.
    Medical illustration of intestinal villi in tract. — Stock Photo
    Medical illustration of intestinal villi in tract.
    Tissue culture labelled wells with pink fluid and gel nourishes. — Stock Photo
    Tissue culture labelled wells with pink fluid and gel nourishes.
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs — Stock Photo
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs
    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 hips and buttocks muscles, computer illustration. — Stock Photo
    Male hips and buttocks muscles, computer illustration.
    Bacteria on human skin — Stock Photo
    Bacteria on human skin