Computer illustration of the human digestive system and a close-up view of bacteria found in the small intestine.

Human pancreas and insulin molecule, illustration

Human pancreas and insulin molecule, illustration

Human pancreas and insulin molecule, illustration

Computer illustration of the anatomy of the human digestive system and a close-up view of Escherichia coli bacteria. E. coli is one of the main components of the human intestinal microbiome. E. coli are Gram-negative motile bacteria of the...

Cholera infection, illustration

Cholera infection, illustration

Cholera infection, illustration

Bacteria found in human digestive system, computer illustration. Helicobacter pylori (upper right), Enterococcus faecalis (upper left), Lactobacillus spp. (bottom right) and Bifidobacterium spp. (bottom left). Lactobacillus and Bifidobacterium are...

Computer illustration of the human digestive system and bacteria found in it. Some bacteria, such as Lactobacillus and Bifidobacterium, have beneficial functions and are part of normal microbiota. Others, such as Helicobacter pylori and Salmonella,...

Substantia nigra. Computer illustration showing a healthy substantia nigra from a human brain and a close-up view of dopaminergic neurons found in the substantia nigra. The substantia nigra plays an important role in reward, addiction, and movement....

Substantia nigra. Computer illustration showing a healthy substantia nigra from a human brain and a close-up view of dopaminergic neurons found in the substantia nigra. The substantia nigra plays an important role in reward, addiction, and movement....

Baby's digestive system, illustration

Intestinal villi, computer artwork.

Polyp in the human colon, illustration

Intestinal villi, computer illustration.

Intestinal villi, computer illustration.

Intestinal villi, computer illustration.

Front view of human digestive system with lungs.

Conceptual image of human digestive system.

Medical illustration of the human digestive system.

Healthy digestive system, artwork

Human respiratory system, artwork

Healthy digestive system, artwork

Human skeleton showing digestive system and nervous system.

Human cardiovascular system, artwork

Digestive System

Large Intestine

Transparent view of human torso showing liver.

Internal organs of the respiratory and digestive system.

Computer illustration of the human digestive system and a close-up view of bacteria found in the intestines.