Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
small intestine
Introduction References & Edit History Related Topics
Images, Videos & Interactives
Diagram showing the anatomy of the small intestine with labeled regions (duodenum, jejunum, ileum), a cross-section highlighting muscle and mucosa layers, an enlargement of mucosal folds (plicae circulares), and a detailed view of a villus structure with epithelial, goblet, endocrine, and Paneth cells, microvilli, blood capillaries, and lacteal.
Is the mesentery a distinct organ?
The Human Body celiac disease villus Diagram of the human digestive system viewed from the front, showing and labeling organs including the mouth, teeth, tongue, salivary glands, pharynx, esophagus, liver, stomach, gallbladder, pancreas, large intestine, small intestine, appendix, rectum, and anus. Detailed diagram showing the transport of lipoproteins in the human body, illustrating how dietary fats and cholesterol are absorbed in the small intestine, packaged into chylomicrons, and transported through lymphatic vessels and the bloodstream. The diagram traces the conversion of chylomicrons to VLDL, IDL, LDL, and HDL particles, highlighting their roles in fat and cholesterol delivery, storage, and recycling, with labeled pathways to the liver, muscle, and adipose tissue, and includes cellu
The small and large intestines animated
Quizzes
Superficial arteries and veins of face and scalp, cardiovascular system, human anatomy, (Netter replacement project - SSC)
The Human Body
Model of a molecule. Atom, Biology, Molecular Structure, Science, Science and Technology. Homepage 2010 arts and entertainment, history and society
What Lies Beneath the Skin: A Human Anatomy Quiz

small intestine: References & Edit History

Article Contributors

Primary Contributors

  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Modified link of Web site: National Center for Biotechnology Information - Anatomy, Abdomen and Pelvis, Small Intestine. Oct 29, 2026
Add new Web site: Frontiers - Frontiers in Immunology - The immune anatomy of the small intestine facilitates regulatory responses. Apr 04, 2026
Add new Web site: Cell Press - Cell Reports Medicine - Small intestine vs. colon ecology and physiology: Why it matters in probiotic administration. Oct 15, 2025
Add new Web site: Open Educational Resources - Anatomy and Physiology 2e - The Small and Large Intestines. Sep 11, 2025
Add new Web site: OpenStax - Anatomy and Physiology 2e - The Small and Large Intestines. Jul 05, 2025
Add new Web site: Al-Mustaqbal University - Small Intestine (PDF). Jan 30, 2025
Add new Web site: UPMC Children�s Hospital of Pittsburgh - Difference Between Small and Large Intestine. Nov 12, 2024
Add new Web site: CORE - Small intestinal deficit in pellagra. Aug 16, 2024
Add new Web site: Medical University of South Carolina - Small Intestine. May 17, 2024
Add new Web site: University of Southern Queensland - Fundamentals of Anatomy and Physiology - The Small and Large Intestines. Apr 03, 2024
Add new Web site: Demo Pressbooks Network - Boundless Anatomy and Physiology - The Small Intestine. Apr 02, 2024
Added media. Nov 30, 2023
Add new Web site: Verywell Health - Small Intestine: Function, Anatomy, and More. Sep 01, 2023
Add new Web site: TeachMeAnatomy - The Small Intestine. Jul 16, 2023
Add new Web site: Medicine LibreTexts - Small Intestine. Feb 14, 2023
Add new Web site: Cleveland Clinic - Small Intestine. Dec 25, 2022
Add new Web site: National Center for Biotechnology Information - Anatomy, Abdomen and Pelvis, Small Intestine. Sep 15, 2022
Media added. Nov 29, 2018
Add new Web site: Innerbody - The Small Intestine. Sep 27, 2018
Add new Web site: National Library of Medicine - Small Intestine Disorders. Jul 26, 2010
Add new Web site: Healthline - Small Intestine. Jul 26, 2010
Add new Web site: WebMD - The Small Intestine. Jul 26, 2010
Add new Web site: Buzzle.com - Small Intestine Function. Jul 26, 2010
New illustration added. Jan 15, 2009
Added new Web site: MSD Manual - Consumer Version - Small Intestine. Jan 12, 2009
Added new Web site: eMedicineHealth - Cancer of The Small Intestine. Jan 11, 2009
Article revised. Nov 26, 2003
Article added to new online database. Jul 20, 1998
View Changes:
Article History
Revised:
By: