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  2. Gastrointestinal wall - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_wall

    The muscle of the inner layer is arranged in circular rings around the tract, whereas the muscle of the outer layer is arranged longitudinally. The stomach has an extra layer, an inner oblique muscular layer. [1] Between the two muscle layers is the myenteric plexus (Auerbach's plexus). This controls peristalsis.

  3. Abdominal cavity - Wikipedia

    en.wikipedia.org/wiki/Abdominal_cavity

    The inside wall is covered by the parietal peritoneum. The kidneys are located behind the peritoneum, in the retroperitoneum, outside the abdominal cavity. The viscera are also covered by visceral peritoneum. Between the visceral and parietal peritoneum is the peritoneal cavity, which is a potential space. [1]

  4. Stomach - Wikipedia

    en.wikipedia.org/wiki/Stomach

    The stomach is also called the gaster (Greek belly) or venter from which we have the adjective gastric applied to structures related to the organ. [3] The stomach is a muscular, hollow organ in the upper gastrointestinal tract of humans and many other animals, including several invertebrates.

  5. Abdomen - Wikipedia

    en.wikipedia.org/wiki/Abdomen

    Abdominal organs anatomy. Functionally, the human abdomen is where most of the digestive tract is placed and so most of the absorption and digestion of food occurs here. The alimentary tract in the abdomen consists of the lower esophagus , the stomach , the duodenum , the jejunum , ileum , the cecum and the appendix , the ascending , transverse ...

  6. Gastrointestinal tract - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_tract

    Whilst the muscularis externa is similar throughout the entire gastrointestinal tract, an exception is the stomach which has an additional inner oblique muscular layer to aid with grinding and mixing of food. The muscularis externa of the stomach is composed of the inner oblique layer, middle circular layer, and the outer longitudinal layer.

  7. Human digestive system - Wikipedia

    en.wikipedia.org/wiki/Human_digestive_system

    In 1497, Alessandro Benedetti viewed the stomach as an unclean organ separated off by the diaphragm. This view of the stomach and intestines as being base organs was generally held until the mid-17th century. [53] In the Renaissance of the 16th century, Leonardo da Vinci produced some early drawings of the stomach and intestines.

  8. Doctors discover 50-year-old fetus inside woman's abdomen

    www.aol.com/news/doctors-discover-50-old-fetus...

    The BBC reports the woman, who is said to be in her 90s, went to the hospital after a nasty fall and that's where doctors learned via X-ray that she had the Doctors discover 50-year-old fetus ...

  9. Abdominopelvic cavity - Wikipedia

    en.wikipedia.org/wiki/Abdominopelvic_cavity

    The stomach sits on the left side, which is attached to the esophagus tube. Food comes through the esophagus, goes behind all of the other organs in the thoracic cavity, and comes out through the point where the esophagus opens up into the stomach. The stomach is a more acidic environment to aid its role in beginning the major processes of ...