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    Diseased small intestine in female body transparent silhouette on black background, digital illustration. — Stock Photo
    Diseased small intestine in female body transparent silhouette on black background, digital illustration.
    Female silhouette with cancer in large intestine, digital illustration. — Stock Photo
    Female silhouette with cancer in large intestine, digital illustration.
    Illustration of cross section of intestine on white background. — Stock Photo
    Illustration of cross section of intestine on white background.
    Green colored probiotic rod-shaped gram-positive aerobic Bacillus clausii bacteria restoring microflora of intestine. — Stock Photo
    Green colored probiotic rod-shaped gram-positive aerobic Bacillus clausii bacteria restoring microflora of intestine.
    Illustration of human silhouette with inflamed small intestine. — Stock Photo
    Illustration of human silhouette with inflamed small intestine.
    3d anatomical model demonstrating female anatomy in rear view, computer illustration. — Stock Photo
    3d anatomical model demonstrating female anatomy in rear view, computer illustration.
    3d illustration of a Salmonella sp. bacterium approaching human cell — Stock Photo
    3d illustration of a Salmonella sp. bacterium approaching human cell
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract. — Stock Photo
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract.
    Digital illustration of multiple threadworms in human intestine. — Stock Photo
    Digital illustration of multiple threadworms in human intestine.
    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
    Digital illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Hepatitis A, Rotaviruses. — Stock Photo
    Digital illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Hepatitis A, Rotaviruses.
    Female anatomy with orange colored large intestine, digital illustration. — Stock Photo
    Female anatomy with orange colored large intestine, digital illustration.
    Intestinal lining anatomy — Stock Photo
    Intestinal lining anatomy
    Illustration of overweight woman with visible intestine on black background. — Stock Photo
    Illustration of overweight woman with visible intestine on black background.
    Female silhouette with visible small intestine, digital illustration. — Stock Photo
    Female silhouette with visible small intestine, digital 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.
    Illustration of female silhouette with highlighted intestines. — Stock Photo
    Illustration of female silhouette with highlighted intestines.
    Digital illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Hepatitis B, Entamoeba histolytica. — Stock Photo
    Digital illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Hepatitis B, Entamoeba histolytica.
    Illustration of rectal cancer in human body silhouette. — Stock Photo
    Illustration of rectal cancer in human body silhouette.
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Colored small intestine in female body silhouette, computer illustration. — Stock Photo
    Colored small intestine in female body silhouette, computer illustration.
    E. coli bacteria, illustration. Escherichia coli is a rod-shaped bacterium (bacillus). Its cell membrane is covered in fine filaments called pili or fimbriae — Stock Photo
    E. coli bacteria, illustration. Escherichia coli is a rod-shaped bacterium (bacillus). Its cell membrane is covered in fine filaments called pili or fimbriae
    Abstract male body with colon cancer, computer illustration. — Stock Photo
    Abstract male body with colon cancer, computer illustration.
    Green colored probiotic rod-shaped gram-positive aerobic Bacillus clausii bacteria restoring microflora of intestine. — Stock Photo
    Green colored probiotic rod-shaped gram-positive aerobic Bacillus clausii bacteria restoring microflora of intestine.
    Bowel cancer in female body, conceptual computer illustration. — Stock Photo
    Bowel cancer in female body, conceptual computer illustration.
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasite causing ulcer in intestinal tract. — Stock Photo
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasite causing ulcer in intestinal tract.
    Illustration of transparent blue silhouette of male body with colored colon. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored colon.
    Human intestinal villi, computer illustration. — Stock Photo
    Human intestinal villi, computer illustration.
    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.
    Illustration of transparent blue silhouette of male body with colored small intestine. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored small intestine.
    Colored scanning electron micrograph of cancer cells from human colon. — Stock Photo
    Colored scanning electron micrograph of cancer cells from human colon.
    Bifidobacterium bacteria, computer illustration. Bifidobacteria are Gram-positive anaerobic bacteria that live in gastrointestinal tract, vagina and mouth — Stock Photo
    Bifidobacterium bacteria, computer illustration. Bifidobacteria are Gram-positive anaerobic bacteria that live in gastrointestinal tract, vagina and mouth
    Female silhouette with cancer in small intestine, digital illustration. — Stock Photo
    Female silhouette with cancer in small intestine, digital illustration.
    Colon cancer in female body, conceptual computer illustration. — Stock Photo
    Colon cancer in female body, conceptual computer illustration.
    Digital illustration showing bacteria causing infections of respiratory system, heart and digestive tract, Mycobacterium tuberculosis, Enterococcus faecalis, Salmonella, Shigella. — Stock Photo
    Digital illustration showing bacteria causing infections of respiratory system, heart and digestive tract, Mycobacterium tuberculosis, Enterococcus faecalis, Salmonella, Shigella.
    Human pathogenic viruses causing respiratory and enteric infections, digital illustration. — Stock Photo
    Human pathogenic viruses causing respiratory and enteric infections, digital illustration.
    Round worms in human intestine, illustration. Roundworms, or nematodes, include numerous free-living and pathogenic species — Stock Photo
    Round worms in human intestine, illustration. Roundworms, or nematodes, include numerous free-living and pathogenic species
    Transparent male silhouette with colored small intestine, computer illustration. — Stock Photo
    Transparent male silhouette with colored small intestine, computer illustration.
    Male silhouette with visible small intestine, digital illustration. — Stock Photo
    Male silhouette with visible small intestine, digital illustration.
    Female abdominal anatomy and internal organs, computer illustration. — Stock Photo
    Female abdominal anatomy and internal organs, computer illustration.
    3d anatomical model demonstrating female anatomy in rear view, computer illustration. — Stock Photo
    3d anatomical model demonstrating female anatomy in rear view, computer illustration.
    Healthy state of large intestines — Stock Photo
    Healthy state of large intestines
    Illustration of senior man silhouette with visible organs. — Stock Photo
    Illustration of senior man silhouette with visible organs.
    Human pathogenic viruses causing respiratory and enteric infections, digital illustration. — Stock Photo
    Human pathogenic viruses causing respiratory and enteric infections, digital illustration.
    Digital artwork of Clostridium perfringens Gram-positive rod-shaped bacteria. — Stock Photo
    Digital artwork of Clostridium perfringens Gram-positive rod-shaped bacteria.
    Illustration of small intestine in transparent male silhouette. — Stock Photo
    Illustration of small intestine in transparent male silhouette.
    Illustration of female silhouette with highlighted colon. — Stock Photo
    Illustration of female silhouette with highlighted colon.
    Mid section illustration of transparent blue silhouette of male body with colored digestive system. — Stock Photo
    Mid section illustration of transparent blue silhouette of male body with colored digestive system.
    Male silhouette with visible large intestine, digital illustration. — Stock Photo
    Male silhouette with visible large intestine, digital illustration.
    Illustration of senior woman silhouette with colored colon on white background. — Stock Photo
    Illustration of senior woman silhouette with colored colon on white background.
    3d anatomical model demonstrating female anatomy in rear view, computer illustration. — Stock Photo
    3d anatomical model demonstrating female anatomy in rear view, computer illustration.
    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.
    Anatomical illustration of male body silhouette with visible organs on white background. — Stock Photo
    Anatomical illustration of male body silhouette with visible organs on white background.
    Transparent male silhouette with visible large intestine, computer illustration. — Stock Photo
    Transparent male silhouette with visible large intestine, computer illustration.
    Illustration of overweight woman with visible digestive system on black background. — Stock Photo
    Illustration of overweight woman with visible digestive system on black background.
    Digital illustration of senior man anatomy showing digestive tumour. — Stock Photo
    Digital illustration of senior man anatomy showing digestive tumour.
    Male silhouette with visible small intestine, digital illustration. — Stock Photo
    Male silhouette with visible small intestine, digital illustration.
    Digital illustration of senior man anatomy showing small intestine tumour. — Stock Photo
    Digital illustration of senior man anatomy showing small intestine tumour.
    Human body anatomy with highlighted digestive system, digital illustration. — Stock Photo
    Human body anatomy with highlighted digestive system, digital illustration.
    Microbiota of human intestine, abstract digital 3d illustration. — Stock Photo
    Microbiota of human intestine, abstract digital 3d illustration.