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The major organs of the abdomen include the small intestine, large intestine, and stomach. Together, these three turn nutrients into usable energy, as well as help dispose of solid waste.
The abdominal cavity is the part of the body that houses the stomach, liver, pancreas, kidneys, gallbladder, spleen, and the large and small intestines. The diaphragm marks the top of the abdomen and the horizontal line at the level of the top of the pelvis marks the bottom.
The main bones in the abdominal region are the ribs. The rib cage protects vital internal organs. There are 12 pairs of ribs and they attach to the spine.
3D interactive models and tutorials on the anatomy of the abdomen and pelvis. Learn about the blood vessels, organs, nerves and peritoneal cavity.
In this section, learn more about the anatomy of the abdomen- its areas, bones, muscles, the gastrointestinal tract, accessory organs and the abdominal vasculature.
There are 12 major anatomy systems: Skeletal, Muscular, Cardiovascular, Digestive, Endocrine, Nervous, Respiratory, Immune/Lymphatic, Urinary, Female Reproductive, Male Reproductive, Integumentary. Select a system below to get started.
The abdomen is the body region found between the thorax and the pelvis. Its superior aperture faces towards the thorax, enclosed by the diaphragm. Inferiorly the abdomen is open to the pelvis, communicating through the superior pelvic aperture (pelvic inlet). These two apertures, together with abdominal walls, bound the abdominal cavity.
Full labeled anatomical diagrams - Anatomy of the abdomen and digestive system: these general diagrams show the digestive system, with the major human anatomical structures labeled (mouth, tongue, oral cavity, teeth, buccal glands, throat, pharynx, oesophagus, stomach, small intestine, large intestine, liver, gallbladder and pancreas).
The abdominal cavity is a body space which extends from the diaphragm above, to the pelvic inlet or pelvic brim below. It is lined by parietal peritoneum. In fact, the abdominal and pelvic cavities are continuous entities, forming one large abdominopelvic peritoneal cavity.
The stomach, gallbladder, and pancreas are three of the most important digestive organs in the human body. These organs work together to produce and store secretions that digest our food into its most basic building blocks.