small intestine

American  

noun

Anatomy.

1. intestine.

---

small intestine British  

noun

1. the longest part of the alimentary canal, consisting of the duodenum, jejunum, and ileum, in which digestion is completed Compare large intestine

---

small intestine Scientific  

1. The long, narrow, coiled section of the intestine that extends from the stomach to the beginning of the large intestine. Nutrients from food are absorbed into the bloodstream from the small intestine. In mammals, it is made up of the duodenum, jejunum, and ileum.

---

small intestine Cultural  

1. The upper portion of the intestines, extending from the stomach to the large intestine, where the digestion of food takes place. The small intestine is about twenty feet long in adults.

---

Etymology

Origin of small intestine

First recorded in 1760–70

Example Sentences

Charles-Barclay said it took about a year for her small intestine to heal after making the necessary changes to her diet.

From BBC

But he was saved by three major surgeries in which most of his small intestine was removed.

From BBC

FGF19, which is involved in the control of energy metabolism, is mainly produced in the small intestine.

From Science Daily

The researchers observed that the activation of CD8 T cells occurred mainly in the small intestine, not elsewhere in the digestive tract, likely because most dietary protein is absorbed there.

From Science Daily

Mr Lamah decided the best approach was to remove a part of her large intestine, the colon, and connect it to her small intestine.

From BBC