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    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma. — Stock Photo
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma.
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration. — Stock Photo
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration.
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Coloured scanning electron micrograph (SEM) of a section through a foetal olfactory (smelling) sense organ known as the vomeronasal organ (VNO), or Jacobson organ. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a foetal olfactory (smelling) sense organ known as the vomeronasal organ (VNO), or Jacobson organ.
    Digital anatomical illustration of gut microbiome with villi. — Stock Photo
    Digital anatomical illustration of gut microbiome with villi.
    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).
    Human intestinal villi, computer illustration. — Stock Photo
    Human intestinal villi, computer illustration.
    Coloured scanning electron micrograph (SEM) of the surface of a squamous epithelial cell from the ureter. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the surface of a squamous epithelial cell from the ureter.
    Medical illustration of intestinal villi in tract. — Stock Photo
    Medical illustration of intestinal villi in tract.
    Surface of a fallopian tube — Stock Photo
    Surface of a fallopian tube
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (yellow) — 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 (yellow)
    Intestinal villi, computer illustration — Stock Photo
    Intestinal villi, computer illustration
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration. — Stock Photo
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration.
    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
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Medical illustration of healthy intestinal villi in gastrointestinal tract. — Stock Photo
    Medical illustration of healthy intestinal villi in gastrointestinal tract.
    Zika virus particles — Stock Photo
    Zika virus particles
    Mouse mammary tumour virus (MMTV) particles (blue), coloured transmission electron micrograph (TEM). MMTV induces malignant tumours in the mammary glands of certain strains of laboratory mice — Stock Photo
    Mouse mammary tumour virus (MMTV) particles (blue), coloured transmission electron micrograph (TEM). MMTV induces malignant tumours in the mammary glands of certain strains of laboratory mice
    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.
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Medical artwork showing intestinal villi in bowel. — Stock Photo
    Medical artwork showing intestinal villi in bowel.
    Carcinoma cell, coloured transmission electron micrograph (TEM). — Stock Photo
    Carcinoma cell, coloured transmission electron micrograph (TEM).
    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.
    Human intestinal villi, computer illustration. — Stock Photo
    Human intestinal villi, computer illustration.
    Medical illustration of bacteria in human intestine. — Stock Photo
    Medical illustration of bacteria in human intestine.
    Hookworm head anatomy — Stock Photo
    Hookworm head anatomy
    Human large intestine tissue, light micrograph. — Stock Photo
    Human large intestine tissue, light micrograph.
    Digital illustration of human cilia cells. — Stock Photo
    Digital illustration of human cilia cells.
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    Digital illustration of human cilia cells. — Stock Photo
    Digital illustration of human cilia cells.
    Medical illustration of intestinal villi in human intestine. — Stock Photo
    Medical illustration of intestinal villi in human intestine.
    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.
    Coloured scanning electron micrograph (SEM) of a section through a foetal vein filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a foetal vein filled with red blood cells (erythrocytes, red).
    Medical illustration of intestinal villi in human intestine. — Stock Photo
    Medical illustration of intestinal villi in human intestine.
    Hair follicles of human skin — Stock Photo
    Hair follicles of human skin
    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).
    Medical artwork of healthy intestinal villi in digestive system. — Stock Photo
    Medical artwork of healthy intestinal villi in digestive system.
    Epithelial lining of Fallopian tube — Stock Photo
    Epithelial lining of Fallopian tube
    Medical illustration of intestinal villi in human intestine. — Stock Photo
    Medical illustration of intestinal villi in human intestine.
    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.
    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 illustration of intestinal villi in human intestine. — Stock Photo
    Medical illustration of intestinal villi in human intestine.
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Human intestinal villi, computer illustration. — Stock Photo
    Human intestinal villi, computer illustration.
    Coloured scanning electron micrograph (SEM) of a fractured bile duct. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured bile duct.
    Section through a thyroid gland — Stock Photo
    Section through a thyroid gland
    Medical artwork of healthy intestinal villi in digestive system. — Stock Photo
    Medical artwork of healthy intestinal villi in digestive system.
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma. — Stock Photo
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma.
    Carcinoma cell, coloured transmission electron micrograph (TEM). — Stock Photo
    Carcinoma cell, coloured transmission electron micrograph (TEM).
    Layer of cells, light micrograph and computer illustration. — Stock Photo
    Layer of cells, light micrograph and computer 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.
    Illustration of gluten particles damaging intestinal villi. — Stock Photo
    Illustration of gluten particles damaging intestinal villi.
    Healthy intestinal villi — Stock Photo
    Healthy intestinal villi
    Anatomy of the structure and layers of the stomach wall — Stock Photo
    Anatomy of the structure and layers of the stomach wall
    Medical illustration of bacteria in human intestine. — Stock Photo
    Medical illustration of bacteria in human intestine.
    Healthy intestinal villi — Stock Photo
    Healthy intestinal villi
    Coloured scanning electron micrograph (SEM) of epithelial cells lining the human trachea (windpipe). — Stock Photo
    Coloured scanning electron micrograph (SEM) of epithelial cells lining the human trachea (windpipe).
    Hookworm head anatomy — Stock Photo
    Hookworm head anatomy