alveolus
Americannoun
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a little cavity, pit, or cell, as a cell of a honeycomb.
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an air cell of the lungs, formed by the terminal dilation of tiny air passageways.
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one of the terminal secretory units of a racemose gland.
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the socket within the jawbone in which the root or roots of a tooth are set.
noun
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any small pit, cavity, or saclike dilation, such as a honeycomb cell
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any of the sockets in which the roots of the teeth are embedded
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any of the tiny air sacs in the lungs at the end of the bronchioles, through which oxygen is taken into the blood
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Any of the tiny air-filled sacs arranged in clusters in the lungs, in which the exchange of oxygen and carbon dioxide takes place.
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Also called air sac
Other Word Forms
Etymology
Origin of alveolus
1700–10; < Latin, equivalent to alve ( us ) concave vessel + -olus -ole 1
Vocabulary lists containing alveolus
Human Anatomy and Physiology - Introductory
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Human Anatomy and Physiology - High School
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Human Anatomy and Physiology - 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.
When the Lung Alveolus Chip was exposed to increasing doses of radiation, the cell, tissue, and organ-level responses modeled on-chip closely aligned with clinical observations and, importantly, offered new insights into RILI.
From Science Daily • Oct. 17, 2023
Following a one-time radiation treatment, the team could observe breaks in the cells' chromosomes with activation of associated DNA repair machinery, whose numbers increased with the amount of radiation applied to the Lung Alveolus Chip.
From Science Daily • Oct. 17, 2023
They also think that the hypersensitivities of patients predisposed by other lung diseases to radiation could be modeled in personalized Lung Alveolus Chips.
From Science Daily • Oct. 17, 2023
Alveolus: a cell, like that of a honeycomb.
From Explanation of Terms Used in Entomology by Smith, John. B.
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.
