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ileum

[il-ee-uh m] /ˈɪl i əm/
noun, plural ilea
[il-ee-uh] /ˈɪl i ə/ (Show IPA)
1.
Anatomy. the third and lowest division of the small intestine, extending from the jejunum to the cecum.
2.
Zoology. the anterior portion of the hindgut of an insect or other arthropod.
Origin
1675-1685
1675-85; < Neo-Latin, Medieval Latin īleum, variant of Latin īlia (neuter plural) side of the body between hips and groin, guts, apparently by confusion with Latin īleus ileus
Related forms
ileal, adjective
Can be confused
ileum, ilium, Ilium.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for ileal

ileac

/ˈɪlɪˌæk/
adjective
1.
(anatomy) of or relating to the ileum
2.
(pathol) of or relating to ileus

ileum

/ˈɪlɪəm/
noun
1.
the part of the small intestine between the jejunum and the caecum
2.
the corresponding part in insects
Word Origin
C17: New Latin, from Latin īlium, īleum flank, groin, of obscure origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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ileal in Medicine

ileal il·e·al (ĭl'ē-əl)
adj.
Of or relating to the ileum.

ileum il·e·um (ĭl'ē-əm)
n. pl. il·e·a (-ē-ə)
The third and terminal portion of the small intestine, extending from the jejunum to the cecum.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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ileal in Science
ileum
  (ĭl'ē-əm)   
Plural ilea
The lower part of the small intestine, connecting the jejunum to the cecum of the large intestine.

ileal adjective
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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