jejunum

[ ji-joo-nuhm ]

noun

, Anatomy.

1. the middle portion of the small intestine, between the duodenum and the ileum.

jejunum

/ dʒɪˈdʒuːnəm /

noun

1. the part of the small intestine between the duodenum and the ileum

jejunum

/ jə-jo̅o̅′nəm /

, Plural jejuna

1. The middle part of the small intestine, connecting the duodenum and the ileum.

Derived Forms

• jeˈjunal, adjective

Other Words From

• je·junal adjective

Word History and Origins

Origin of jejunum¹

1350–1400; Middle English < Latin jējūnum, noun use of neuter of jējūnus empty, poor, mean; so called because thought to be empty after death

Word History and Origins

Origin of jejunum¹

C16: from Latin, from jējūnus empty; from the belief that the jejunum is empty after death

Example Sentences

The hormone-rich organ, connecting the stomach to another part of the intestine called the jejunum, has prompted the development of various procedures to bypass or intervene on the duodenum.

From Wall Street Journal

In gastric bypass, a surgeon reroutes the digestive system so that the stomach empties directly into the middle of the small intestine, bypassing a section called the duodenum and jejunum.

From Reuters

Normally the jejunum receives only digested mush, as nutrients have already been absorbed in the duodenum, explained lead researcher Tony Lam.

From Reuters

The mucous membrane of the jejunum and of the upper part of the ileum is not usually much reddened, and may be even paler than in health.

From Project Gutenberg

The pyloric orifice is always more affected than the cardiac; the duodenum, jejunum, and ileum, are inflamed; the cæcum is enlarged, inflamed, and generally impacted.

From Project Gutenberg