that forms part of the digestive tract
between the esophagus
and the duodenum
. It is made of muscle
and lined with a mucous membrane
that protects it from the acid
s which it secretes to aid digestion
Also, the belly or abdomen. Note that the actual stomach is located higher up than the region of the body which is usually called the stomach. Many stomachaches are intestinal, just as heartburn is really a stomach condition.