Muscular, hollow organ in the gastrointestinal tract of humans and many other animals, including several invertebrates.- Stomach
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First section of the small intestine in most higher vertebrates, including mammals, reptiles, and birds.
In humans, the duodenum is a hollow jointed tube about 25–38 cm (10–15 inches) long connecting the stomach to the middle part of the small intestine.
Breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma.
It will then travel down the esophagus and into the stomach by the action of peristalsis.
Organ of the digestive system and endocrine system of vertebrates.
In humans, it is located in the abdomen behind the stomach and functions as a gland.
Organ is a collection of tissues joined in a structural unit to serve a common function.
The hollow organs of the abdomen are the stomach, intestines, gallbladder, bladder, and rectum.
See also gastrointestinal tract.
This produces a bolus which is swallowed down the esophagus to enter the stomach.
Large body cavity in humans and many other animals that contains many organs.
Organs of the abdominal cavity include the stomach, liver, gallbladder, spleen, pancreas, small intestine, kidneys, large intestine, and adrenal glands.
Serous membrane forming the lining of the abdominal cavity or coelom in amniotes and some invertebrates, such as annelids.
The structures within the intraperitoneal space are called "intraperitoneal" (e.g., the stomach and intestines), the structures in the abdominal cavity that are located behind the intraperitoneal space are called "retroperitoneal" (e.g., the kidneys), and those structures below the intraperitoneal space are called "subperitoneal" or "infraperitoneal" (e.g., the bladder).
Chyme or chymus (from Greek χυμός khymos, "juice" ) is the semi-fluid mass of partly digested food that is expelled by a person's stomach, through the pyloric valve, into the duodenum (the beginning of the small intestine).
Large apron-like fold of visceral peritoneum that hangs down from the stomach.
It extends from the greater curvature of the stomach, passing in front of the small intestines and doubles back to ascend to the transverse colon before reaching to the posterior abdominal wall.
Tract or passageway of the digestive system that leads from the mouth to the anus.
The GI tract contains all the major organs of the digestive system, in humans and other animals, including the esophagus, stomach, and intestines.