Gastrointestinal (GI) tract is organized into regions and layers with structural and functional
peculiarities. The tract which begins from the mouth, extending to the anus, is comprised of …

The gastrointestinal (GI) tract is composed of basic tissue types (epithelia, connective, blood,
lymphatic, muscle, and nerve tissue) formed from different structural and functional units that …

The upper gastrointestinal (GI) tract is composed of the oral cavity and salivary glands, the
esophagus, stomach, and small intestine (duodenum, jejunum, and ileum). In all three …

The sections in this article are:

The enteral system provides a pivotal functional connectivity with other organs and tissues of
the body, referred to as gut–extraenteric tissue axis. This functional relationship regulates …

This chapter helps the reader to delineate the functions which the digestive system has been
designed to address and define the key anatomic components of the gastrointestinal (GI) …

The alimentary canal is a long tube connecting the oral cavity with the anal canal. The wall
has the same basic structure in the entire canal, and the differences reflect the different …

The sections in this article are:

The gastrointestinal (GI) system comprises the GI tract and accessory organs. The GI tract
consists of the oral cavity, pharynx, esophagus, stomach, small intestine, large intestine, and …

The small intestine and its parts have been studied by scientists for hundreds of years.
Today, the development of the organ, interaction of its layers, vessels, development of the …