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    Intestinal microvilli. Coloured transmission electron micrograph (TEM) of a section through microvilli from the small intestine. These tiny structures (cyan) form a dense brush-like covering on the absorptive surfaces of the cells — Stock Photo
    Intestinal microvilli. Coloured transmission electron micrograph (TEM) of a section through microvilli from the small intestine. These tiny structures (cyan) form a dense brush-like covering on the absorptive surfaces of the cells
    Hair follicles of human skin — Stock Photo
    Hair follicles of human skin
    Coloured scanning electron micrograph (SEM) of squamous epithelial cells on the skin surface. — Stock Photo
    Coloured scanning electron micrograph (SEM) of squamous epithelial cells on the skin surface.
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia. — Stock Photo
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia.
    Medical illustration of inflamed intestinal villi. — Stock Photo
    Medical illustration of inflamed intestinal villi.
    Digital illustration of human cilia cells. — Stock Photo
    Digital illustration of human cilia cells.
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    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.
    Healthy intestinal villi — Stock Photo
    Healthy intestinal villi
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Smear from oral cavity showing oral trichomonas and buccal epithelial cells, digital illustration. — Stock Photo
    Smear from oral cavity showing oral trichomonas and buccal epithelial cells, digital illustration.
    Simple columnar epithelium, light micrograph — Stock Photo
    Simple columnar epithelium, light micrograph
    Medical illustration of bacteria in human intestine. — Stock Photo
    Medical illustration of bacteria in human intestine.
    Medical artwork of healthy intestinal villi in digestive system. — Stock Photo
    Medical artwork of healthy intestinal villi in digestive system.
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red).
    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen. — Stock Photo
    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen.
    Computer illustration of bacteria on the surface of intestinal villi — Stock Photo
    Computer illustration of bacteria on the surface of intestinal villi
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Epithelial lining of Fallopian tube — Stock Photo
    Epithelial lining of Fallopian tube
    Illustration of an antibiotic-resistant bacteria (white) on the colon epithelium. The antibiotic-resistant bacteria will go on to transfer its antibiotic resistance genes horizontally to the bacteria surrounding it. — Stock Photo
    Illustration of an antibiotic-resistant bacteria (white) on the colon epithelium. The antibiotic-resistant bacteria will go on to transfer its antibiotic resistance genes horizontally to the bacteria surrounding it.
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Light micrograph of goblet cells in colon. — Stock Photo
    Light micrograph of goblet cells in colon.
    Intestinal microvilli. Coloured transmission electron micrograph (TEM) of a section through microvilli from the small intestine. These tiny structures (cyan) form a dense brush-like covering on the absorptive surfaces of the cells — Stock Photo
    Intestinal microvilli. Coloured transmission electron micrograph (TEM) of a section through microvilli from the small intestine. These tiny structures (cyan) form a dense brush-like covering on the absorptive surfaces of the cells
    Streptococcus thermophilus bacteria — Stock Photo
    Streptococcus thermophilus bacteria
    Human intestinal villus, digital illustration. — Stock Photo
    Human intestinal villus, digital illustration.
    Smear from oral cavity showing oral trichomonas and buccal epithelial cells, digital illustration. — Stock Photo
    Smear from oral cavity showing oral trichomonas and buccal epithelial cells, digital illustration.
    Medical artwork showing intestinal villi in bowel. — Stock Photo
    Medical artwork showing intestinal villi in bowel.
    Pseudostratified epithelium, light micrograph. Pseudostratified epithelium is a type of epithelium that comprises only a single layer of cells. — Stock Photo
    Pseudostratified epithelium, light micrograph. Pseudostratified epithelium is a type of epithelium that comprises only a single layer of cells.
    Section through the nasal mucosa — Stock Photo
    Section through the nasal mucosa
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma. — Stock Photo
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma.
    Illustration of gluten particles damaging intestinal villi. — Stock Photo
    Illustration of gluten particles damaging intestinal villi.
    Gall bladder lining — Stock Photo
    Gall bladder lining
    Medical artwork showing intestinal villi in bowel. — Stock Photo
    Medical artwork showing intestinal villi in bowel.
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma. — Stock Photo
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma.
    Human intestinal villi, computer illustration. — Stock Photo
    Human intestinal villi, computer illustration.
    Simple columnar epithelium, light micrograph — Stock Photo
    Simple columnar epithelium, light micrograph
    Medical illustration of healthy intestinal villi in gastrointestinal tract. — Stock Photo
    Medical illustration of healthy intestinal villi in gastrointestinal tract.
    Medical illustration of bacteria in human intestine. — Stock Photo
    Medical illustration of bacteria in human intestine.
    Computer illustration of bacteria on the surface of intestinal villi — Stock Photo
    Computer illustration of bacteria on the surface of intestinal villi
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Intestinal villi, computer illustration — Stock Photo
    Intestinal villi, computer illustration
    Fallopian tube cellular structure — Stock Photo
    Fallopian tube cellular structure
    Gum tissue with gingivitis — Stock Photo
    Gum tissue with gingivitis
    Illustration of gluten particles damaging intestinal villi. — Stock Photo
    Illustration of gluten particles damaging intestinal villi.
    Complex mucosal folding of seminal vesicle — Stock Photo
    Complex mucosal folding of seminal vesicle
    Illustration of purple chloride channels in cell membrane. — Stock Photo
    Illustration of purple chloride channels in cell membrane.
    Intestinal villi, computer illustration — Stock Photo
    Intestinal villi, computer illustration
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Light micrograph of a section through the surface of a tongue showing a circumvallate papilla (round, upper left), one of the structures that controls the sense of taste. — Stock Photo
    Light micrograph of a section through the surface of a tongue showing a circumvallate papilla (round, upper left), one of the structures that controls the sense of taste.
    Illustration of gluten particles damaging intestinal villi. — Stock Photo
    Illustration of gluten particles damaging intestinal villi.
    Digital illustration of human cilia cells. — Stock Photo
    Digital illustration of human cilia cells.
    Illustration of gluten particles damaging intestinal villi. — Stock Photo
    Illustration of gluten particles damaging intestinal villi.
    Medical illustration of healthy intestinal villi in gastrointestinal tract. — Stock Photo
    Medical illustration of healthy intestinal villi in gastrointestinal tract.
    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 intestinal villi, computer illustration. — Stock Photo
    Human intestinal villi, computer illustration.
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    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.
    Columnar epithelium structure — Stock Photo
    Columnar epithelium structure
    Layer of cells, light micrograph and computer illustration. — Stock Photo
    Layer of cells, light micrograph and computer illustration.