Title: Small intestine: Anatomy, location and function | Kenhub
Headings: Small intestine
Small intestine: want to learn more about it?
Small intestine
Contents
Anatomy
Duodenum
Jejunum
Ileum
Histology
Function
Blood vessels
Innervation
Clinical relations
Duodenal ulcer
Small intestine: want to learn more about it?

Content: May 18, 2021
Reading time: 9 minutes
The small intestine is the longest part of the digestive system. It extends from the stomach (pylorus) to the large intestine ( cecum) and consists of three parts: duodenum, jejunum and ileum. The main functions of the small intestine are to complete digestion of food and to absorb nutrients. Dysfunction of the small intestine can bring you some uneasy experiences such as diarrhea while travelling or worse, on a date. This article will discuss the anatomy, function and neurovasculature supply of the small intestines. Key facts about the small intestine
Definition
A part of the alimentary tract which extends from the stomach (pyloric orifice) to the large intestine (ileal orifice)
Parts
Duodenum, jejunum, ileum
Blood supply
Arteries: celiac trunk, superior mesenteric artery
Veins: hepatic portal vein, superior mesenteric vein
Innervation
Parasympathetic: