Science & Tech
small intestine
anatomy
small intestine
Category:
Science & Tech
- Related Topics:
- duodenum
- ileum
- ileocecal valve
- Lieberkühn’s glands
- jejunum
- On the Web:
- University of Southern Queensland - Fundamentals of Anatomy and Physiology - The Small and Large Intestines (Apr. 03, 2024)
small intestine, a long, narrow, folded or coiled tube extending from the stomach to the large intestine; it is the region where most digestion and absorption of food takes place. It is about 6.7 to 7.6 metres (22 to 25 feet) long, highly convoluted, and contained in the central and lower abdominal cavity. A thin membranous material, the mesentery, supports and somewhat suspends the intestines. The mesentery contains areas of fat that help retain heat in the organs, as well as an extensive web of blood vessels. Nerves lead to the small intestine from two divisions of the autonomic nervous ...(100 of 474 words)