
1) Air cell 2) Air sac
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https://www.crosswordclues.com/clue/alveolus

1) Air sac 2) Concavity 3) Sac
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https://www.crosswordclues.com/clue/alveolus

• (n.) A small cavity in a coral, shell, or fossil • (n.) A small depression, sac, or vesicle, as the socket of a tooth, the air cells of the lungs, the ultimate saccules of glands, etc. • (n.) A cell in a honeycomb.
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http://thinkexist.com/dictionary/meaning/alveolus/

A opening in your jaw-bone in which a tooth is attached.
Found on
http://www.bracesinfo.com/glossary.html

the bony socket in which the root of the tooth sits.
Found on
http://www.cosmeticdentistryguide.co.uk/glossary.html

• Alveoli in the lung A minute air-filled sac in the vertebrate lung. Pulmonary alveoli are thin-walled and surrounded by blood vessels. There are large numbers of alveoli in each lung, and it is through their surfaces that the respiratory exchange of oxygen and carbon dioxide occur...
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http://www.daviddarling.info/encyclopedia/A/alveolus.html

A small cell containing air in the lungs, a sac-like dilation of the alveolar ducts in the lung (plural: alveoli) ... (27 Sep 1997) ...
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http://www.encyclo.co.uk/local/20973

(al-ve´ә-lәs) pl. alve´oli Latin word meaning a little hollow, such as the socket of a tooth, a follicle of an acinous gland, or a pulmonary alveolus. adj., alve´olar., adj. dental alveolus the cavities or sockets of either jaw, in which the roots of the teeth are embe...
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http://www.encyclo.co.uk/local/21001
Al·ve'o·lus (ăl*vē'o*lŭs)
noun ;
plural Alveoli (-lī). [ Latin , a small hollow or cavity, dim. of
alveus : confer French
alvéole . See
Alveary .]
1. A cell in a honeycomb.
2. (Zoology) A small cavity in a ...
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http://www.encyclo.co.uk/webster/A/65

The part of the upper or lower jawbone that holds the roots of the teeth.
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http://www.gadsbywicks.co.uk/uploaded/3822.pdf

Type: Term Pronunciation: al-vē′ō-lŭs, -ō-lī Definitions: 1. One of the terminal secretory portions of an alveolar or racemose gland. 2. One of the honeycomb pits in the wall of the stomach. Synonyms: pulmonary alveolus, tooth socket
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http://www.medilexicon.com/medicaldictionary.php?t=2595

Alveolus: One of the tiny air sacs located at the very ends of the bronchioles within the lungs where the exchange of oxygen and carbon dioxide takes place. The alveolus looks like a cell in a honeycomb. The word comes from the Latin diminutive of 'alveus' meaning a cavity or hollow = a little cavity or hollow. The plural of alveolus is alveoli and...
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http://www.medterms.com/script/main/art.asp?articlekey=17680

(al-ve;uo-lus) 1.An individual air capsule within the lung. The alveoli are the basic functional units of respiration. 2.The socket that secures a tooth(tooth socket).
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http://www.mhhe.com/biosci/abio/glossary.mhtml

Alveolus are the bone cavities in the mandible or maxilla in which the teeth are anchored. The teeth are anchored in these sockets by the root canals, or cones, of the teeth. The nourishing blood vessels and nerves pass from the tooth socket into the tooth by way of the apical foramina in the bottom of each root cone.
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http://www.probertencyclopaedia.com/browse/EA.HTM

Sac in lungs absorbing oxygen from the air into the blood.
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http://www.quick-facts.co.uk/medicene/anatomy.htm

The socket into which the root of a tooth fits.
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http://www.skullsite.co.uk/glossary.htm

[
n] - a tiny sac for holding air in the lungs
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http://www.webdictionary.co.uk/definition.php?query=alveolus

alveolus (singular)
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http://www.wordinfo.info/words/index/info/view_unit/94/2

alveolus, small compartment.
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https://aclandanatomy.com/Glossary.aspx
air sac 3 air cell noun a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
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https://www.encyclo.co.uk/local/20974

The socket in the alveolar bone into which the tooth`s root fits.
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https://www.encyclo.co.uk/local/21141
Click images to enlargeOne of the many thousands of tiny air sacs in the lungs. By the process of diffusion oxygen is transported from air in the alveoli into the blood, while carbon dioxide diffuses out of the blood and into the air in the alveoli. This process is called gas exchange. To aid this process, the alveoli hav...
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https://www.encyclo.co.uk/local/21221

Latin a basin, hence any small hollow. Plural - alveoli, adjective - alveolar.
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https://www.encyclo.co.uk/local/21450

Microscopic sac-like structures within the lung. The airways terminate in these sac-like structures. When blood in the lung contacts the alveoli, the blood takes up oxygen and empties waste gases that will be removed during breathing.
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https://www.encyclo.co.uk/local/22445

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.
Found on
https://www.infoplease.com/dictionary/alveolus
No exact match found.