ileum
Americannoun
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Anatomy. the third and lowest division of the small intestine, extending from the jejunum to the cecum.
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Zoology. the anterior portion of the hindgut of an insect or other arthropod.
noun
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the part of the small intestine between the jejunum and the caecum
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the corresponding part in insects
Other Word Forms
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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Vocabulary lists containing ileum
Nutrition and Digestion - High School
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Nutrition and Digestion - Middle School
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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.
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 gallbladder secretes bile to the ileum, which uses it to break down fats.
From Textbooks • Jun. 9, 2022
The ileum ends and the large intestine begins at the ileocecal valve.
From Textbooks • Jun. 9, 2022
They had two hearts in one pericardium, the digestive tracts did not fuse until the lowest third of the ileum was reached.
From Essays In Pastoral Medicine by ?Malley, Austin
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
