Gastrointestinal Diseases: Symptoms, Treatment & Causes - Cleveland Clinic
网页2021年1月14日 · Gastrointestinal diseases affect your gastrointestinal (GI) tract, from mouth to anus. There are two types: functional and structural. Some examples include colitis, food poisoning, lactose intolerance and diarrhea.
About the Lower GI Tract - NIDDK
网页Overview of the lower gastrointestinal (GI) tract, which consists of the large intestine and anus. Describes structural problems that affect the lower GI tract.
Lower GI Tract Anatomy: Overview, Gross Anatomy, Microscopic ... - Medscape
网页The lower gastrointestinal (GI) tract has the same 4 layers that are present in most parts of the GI tract, as follows: Mucosa, which includes a columnar epithelium with numerous...
Upper vs. Lower GI Tract: What Are They? - Austin Gastroenterology
网页2019年3月1日 · The upper GI tract is generally considered to be the mouth, esophagus, stomach, and finally the first part of the small intestine (duodenum). The lower GI tract runs from the small intestine to the large intestine (colon) to the anus.
18.5: Lower Gastrointestinal Tract - Biology LibreTexts
网页Which organs are included in the lower GI tract? Name the parts of the small intestine. How is the mucosa of the small intestine specialized for digestion and absorption? What digestive substances are secreted into the duodenum, and what compounds in food do they help digest? What is the main function of the jejunum? What roles are played by ...
Bowel disorders: symptoms, types, causes & treatment
网页2023年2月14日 · Bowel disorders affect the organs in the lower gastrointestinal (GI) tract, such as the small and large intestines. The intestines digest food and absorb vital nutrients into the bloodstream....
Digestive System (Anatomy): How It Works - WebMD
网页2023年12月5日 · Everything above the large intestine is called the upper GI tract. The large intestine and everything below it is the lower GI tract. Your GI tract includes your mouth, esophagus, stomach,...
Digestive System: Function, Organs & Anatomy - Cleveland Clinic
网页Your GI tract is a series of hollow organs that are all connected to each other, leading from your mouth to your anus. Your biliary system is a network of three organs that deliver bile and enzymes through to your GI tract your bile ducts. Gastrointestinal (GI) tract.
Your Digestive System & How it Works - NIDDK - National …
网页The digestive system is made up of the gastrointestinal tract—also called the GI tract or digestive tract—and the liver, pancreas, and gallbladder. The GI tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus.
The Gastrointestinal Tract - TeachMeAnatomy
网页The gastrointestinal tract is an organ system that enables us to ingest food via the mouth, digest it by breaking it down, absorb it, and then expel the remaining waste as faeces via the anus.