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jejunum

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je⋅ju⋅num

[ji-joo-nuhm]
–noun Anatomy.
the middle portion of the small intestine, between the duodenum and the ileum.


Origin:
1350–1400; ME < L jējūnum, n. use of neut. of jējūnus empty, poor, mean; so called because thought to be empty after death


je⋅ju⋅nal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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je·ju·num   (jə-jōō'nəm)   
n.   pl. je·ju·na (-nə)
The section of the small intestine between the duodenum and the ileum.

[Middle English, from Medieval Latin iēiūnum (intestīnum), fasting (intestine) (so called because in dissection it was always found empty), neuter of Latin iēiūnus.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: je·ju·num
Pronunciation: ji-'jü-n&m
Function: noun
Inflected Form: plural je·ju·na /-n&/
: 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 fewerPeyer's patches than the ileum
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

jejunum je·ju·num (jə-j&oomacr;'nəm)
n. pl je·ju·na (-nə)
The section of the small intestine between the duodenum and the ileum.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
jejunum   (jə-j'nəm)  Pronunciation Key 
Plural jejuna
The middle part of the small intestine, connecting the duodenum and the ileum.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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