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    Norovirus infection in small intestine, digital illustration. — Stock Photo
    Norovirus infection in small intestine, digital illustration.
    Medical illustration of rectal tumour in human body. — Stock Photo
    Medical illustration of rectal tumour in human body.
    Illustration of female silhouette with highlighted small intestine. — Stock Photo
    Illustration of female silhouette with highlighted small intestine.
    Illustration of small intestine in male body silhouette on white background. — Stock Photo
    Illustration of small intestine in male body silhouette on white background.
    Intestinal villi, computer illustration — Stock Photo
    Intestinal villi, computer illustration
    Digital labelled illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Hepatitis A, Rotaviruses. — Stock Photo
    Digital labelled illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Hepatitis A, Rotaviruses.
    Adenomatous polyp in the intestine — Stock Photo
    Adenomatous polyp in the intestine
    3D computer illustration of blastocystis hominis parasites, causative agents of diarrheal infection. — Stock Photo
    3D computer illustration of blastocystis hominis parasites, causative agents of diarrheal infection.
    Diseased gallbladder in transparent female body model, conceptual illustration. — Stock Photo
    Diseased gallbladder in transparent female body model, conceptual illustration.
    Female body silhouette showing full anatomy, digital illustration. — Stock Photo
    Female body silhouette showing full anatomy, digital illustration.
    Illustration of colon in transparent male silhouette. — Stock Photo
    Illustration of colon in transparent male silhouette.
    Cryptosporidium parvum parasite in oocyst form causing of cryptosporidiosis, digital illustration. — Stock Photo
    Cryptosporidium parvum parasite in oocyst form causing of cryptosporidiosis, digital illustration.
    Abstract male figure showing colored large intestine, computer illustration. — Stock Photo
    Abstract male figure showing colored large intestine, computer illustration.
    Illustration of small intestine in silhouette of female body. — Stock Photo
    Illustration of small intestine in silhouette of female body.
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma. — Stock Photo
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma.
    Group of Trichomonas hominis protozoan parasites, digital illustration. — Stock Photo
    Group of Trichomonas hominis protozoan parasites, digital illustration.
    Illustration of small intestine in human body silhouette. — Stock Photo
    Illustration of small intestine in human body silhouette.
    Intestinal lining. Coloured scanning electron micrograph (SEM) of a freeze-fractured of the small intestine. The surface consists of deep folds, called villi. The intestinal surface( yellow) is exposed to food — Stock Photo
    Intestinal lining. Coloured scanning electron micrograph (SEM) of a freeze-fractured of the small intestine. The surface consists of deep folds, called villi. The intestinal surface( yellow) is exposed to food
    Female anatomy with orange colored large intestine, digital illustration. — Stock Photo
    Female anatomy with orange colored large intestine, digital illustration.
    Small intestine and bowel cancer in female body, conceptual computer illustration. — Stock Photo
    Small intestine and bowel cancer in female body, conceptual computer illustration.
    Illustration of transparent gray silhouette of male body with colored small intestine. — Stock Photo
    Illustration of transparent gray silhouette of male body with colored small intestine.
    Cryptosporidium parvum parasite in human body causing cryptosporidiosis, digital illustration. — Stock Photo
    Cryptosporidium parvum parasite in human body causing cryptosporidiosis, digital illustration.
    Colored small intestine in female body silhouette, computer illustration. — Stock Photo
    Colored small intestine in female body silhouette, computer illustration.
    Male upper body anatomy and internal organs, computer illustration. — Stock Photo
    Male upper body anatomy and internal organs, computer illustration.
    Human body model showing female anatomy with internal organs, digital 3d render illustration. — Stock Photo
    Human body model showing female anatomy with internal organs, digital 3d render illustration.
    Human pathogenic viruses causing respiratory and enteric infections, digital illustration. — Stock Photo
    Human pathogenic viruses causing respiratory and enteric infections, digital illustration.
    Digital illustration of intestine and close-up of hepatitis A virus particles. — Stock Photo
    Digital illustration of intestine and close-up of hepatitis A virus particles.
    Healthy state of large intestines — Stock Photo
    Healthy state of large intestines
    Illustration of senior woman silhouette with colored colon on black background. — Stock Photo
    Illustration of senior woman silhouette with colored colon on black background.
    3d illustration of Salmonella sp. bacteria showing internal structure — Stock Photo
    3d illustration of Salmonella sp. bacteria showing internal structure
    Male body with diseased colon, computer illustration. — Stock Photo
    Male body with diseased colon, computer illustration.
    Colon cancer in male body, conceptual computer illustration. — Stock Photo
    Colon cancer in male body, conceptual computer illustration.
    Tropheryma whipplei causative bacteria in human duodenum, digital illustration. — Stock Photo
    Tropheryma whipplei causative bacteria in human duodenum, digital illustration.
    Round worms in human intestine, computer illustration. Roundworms, or nematodes, include numerous free-living and pathogenic species — Stock Photo
    Round worms in human intestine, computer illustration. Roundworms, or nematodes, include numerous free-living and pathogenic species
    Female silhouette with cancer in large intestine, digital illustration. — Stock Photo
    Female silhouette with cancer in large intestine, digital illustration.
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Illustration of senior woman silhouette showing small intestine on black background. — Stock Photo
    Illustration of senior woman silhouette showing small intestine on black background.
    Illustration of female silhouette with shown anatomy. — Stock Photo
    Illustration of female silhouette with shown anatomy.
    Horse anatomy and skeletal system in low section, computer illustration. — Stock Photo
    Horse anatomy and skeletal system in low section, computer illustration.
    Close-up of parasitic amoeba in human intestine, digital artwork. — Stock Photo
    Close-up of parasitic amoeba in human intestine, digital artwork.
    Intestinal villi, computer illustration — Stock Photo
    Intestinal villi, computer illustration
    Close-up of parasitic amoeba in human intestine, digital artwork. — Stock Photo
    Close-up of parasitic amoeba in human intestine, digital artwork.
    Computer illustration showing a female body with the internal organs from the right side. — Stock Photo
    Computer illustration showing a female body with the internal organs from the right side.
    Anatomy of human large intestine — Stock Photo
    Anatomy of human large intestine
    Realistic body model showing female anatomy on blue background, computer illustration. — Stock Photo
    Realistic body model showing female anatomy on blue background, computer illustration.
    Horse anatomy with visible internal organs, computer illustration. — Stock Photo
    Horse anatomy with visible internal organs, computer illustration.
    Parasitic nematode worm — Stock Photo
    Parasitic nematode worm
    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
    Medical artwork showing intestinal villi in bowel. — Stock Photo
    Medical artwork showing intestinal villi in bowel.
    Group of cysts of Giardia intestinalis protozoans flagellated parasites in small intestine, digital illustration. — Stock Photo
    Group of cysts of Giardia intestinalis protozoans flagellated parasites in small intestine, digital illustration.
    Giardia lamblia flagellated protozoan parasites, digital illustration. — Stock Photo
    Giardia lamblia flagellated protozoan parasites, digital illustration.
    Horse anatomy of upper body, computer illustration. — Stock Photo
    Horse anatomy of upper body, computer illustration.
    Medical artwork showing intestinal villi in bowel. — Stock Photo
    Medical artwork showing intestinal villi in bowel.
    Colon cancer in female body, conceptual computer illustration. — Stock Photo
    Colon cancer in female body, conceptual computer illustration.
    Colored large intestine in female body silhouette, digital illustration. — Stock Photo
    Colored large intestine in female body silhouette, digital illustration.
    Male silhouette with visible small intestine in midsection, digital illustration. — Stock Photo
    Male silhouette with visible small intestine in midsection, digital illustration.
    Human body anatomy with highlighted digestive system, digital illustration. — Stock Photo
    Human body anatomy with highlighted digestive system, digital illustration.
    Illustration of colon in male body silhouette on white background. — Stock Photo
    Illustration of colon in male body silhouette on white background.
    Illustration of red and inflamed human appendix and close-up of bacteria causative agents of appendicitis. — Stock Photo
    Illustration of red and inflamed human appendix and close-up of bacteria causative agents of appendicitis.
    Illustration of red and inflamed human appendix and close-up of bacteria causative agents of appendicitis. — Stock Photo
    Illustration of red and inflamed human appendix and close-up of bacteria causative agents of appendicitis.