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alveolus
[ al-vee-uh-luhs ]
noun
- a little cavity, pit, or cell, as a cell of a honeycomb.
- an air cell of the lungs, formed by the terminal dilation of tiny air passageways.
- one of the terminal secretory units of a racemose gland.
- the socket within the jawbone in which the root or roots of a tooth are set.
alveolus
/ ælˈvɪələs /
noun
- any small pit, cavity, or saclike dilation, such as a honeycomb cell
- any of the sockets in which the roots of the teeth are embedded
- any of the tiny air sacs in the lungs at the end of the bronchioles, through which oxygen is taken into the blood
alveolus
/ ăl-vē′ə-ləs /
, Plural alveoli ăl-vē′ə-lī′
- Any of the tiny air-filled sacs arranged in clusters in the lungs, in which the exchange of oxygen and carbon dioxide takes place.
- Also called air sac
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Word History and Origins
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Word History and Origins
Origin of alveolus1
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Example Sentences
Beside them, lining the ducts and alveoli, are smooth, muscle-like myoepithelial cells.
A breath of these microscopic particles can send them all the way to the alveoli, the tiny sacs where the lungs and the blood swap oxygen and carbon dioxide.
In the Atlantic City specimen the axis of the tooth where it emerges from the alveolus is 91 mm.
The alveolus lies entirely behind the symphysis, its anterior end being 160 mm.
When extracted from the alveolus, the whole tooth is found to be concave internally and convex externally.
When in the natural position, these teeth protrude about 33 mm., or a little more than one-third their height, above the alveolus.
The margins of the cleft in the lip are also attached to the alveolus by firm reflections of the mucous membrane.
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