jejunum

noun
je·ju·num | \ji-ˈjü-nəm \
plural jejuna\ji-ˈjü-nə \

Definition of jejunum 

: the section of the small intestine that comprises the first two fifths beyond the duodenum and that is larger, thicker-walled, and more vascular and has more circular folds than the ileum

Examples of jejunum in a Sentence

Recent Examples on the Web

View Sample Sign Up Now Instead, the sugar and other components of fruit quickly move farther down the small intestine to the jejunum and ileum. Markham Heid, Time, "Is It Possible To Eat Too Much Fruit?," 6 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'jejunum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of jejunum

14th century, in the meaning defined above

History and Etymology for jejunum

Middle English, from Medieval Latin, from neuter of Latin jejunus

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Dictionary Entries near jejunum

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jejunity

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jelatong

jelerang

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The first known use of jejunum was in the 14th century

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More Definitions for jejunum

jejunum

noun
je·ju·num | \ji-ˈjü-nəm \
plural jejuna\-nə \

Medical Definition of jejunum 

: the section of the small intestine that comprises the first two fifths beyond the duodenum and that is larger, thicker-walled, and more vascular and has more circular folds and fewer Peyer's patches than the ileum

More from Merriam-Webster on jejunum

Britannica.com: Encyclopedia article about jejunum

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