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ileum

American  
[il-ee-uhm] / ˈɪl i əm /

noun

  • ilea
    plural
  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.


ileum British  
/ ˈɪlɪəm /

noun

  1. the part of the small intestine between the jejunum and the caecum

  2. the corresponding part in insects

"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

ileum Scientific  
/ ĭl′ē-əm /
  • ilea
    plural
  1. The lower part of the small intestine, connecting the jejunum to the cecum of the large intestine.


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Derived Forms

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Nouns

Etymology

Origin of ileum

1675–85; < New 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

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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In particular, the investigative team analyzed colon, ileum, stool, and blood samples from people living with chronic HIV infection and well-matched controls.

From Science Daily ● Feb. 21, 2024

Notably, they observed a connection between accelerated biological aging and the microbiomes of both the colon and ileum, but not the fecal microbiome.

From Science Daily ● Feb. 21, 2024

The human small intestine is over 6m long and is divided into three parts: the duodenum, the jejunum, and the ileum.

From Textbooks ● Jun. 9, 2022

The undigested food is sent to the colon from the ileum via peristaltic movements of the muscle.

From Textbooks ● Jun. 9, 2022

The pelvis is peculiar in some points, such as the form of the ileum and the arrangement of its surfaces, resembling the human pelvis.

From Natural History of the Mammalia of India and Ceylon by Robert Armitage Sterndale

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