alveolus
Definition of abbreviation (noun) -
air sac in the lung; part of the jaw that supports the teeth; any small cavityPart of speech:
NounPlural: plural: alveoli
Example sentences with this word:
Exchange of gases occurs in the alveolus.
Babies born preterm are likely to lack surfactant -- a material that covers the surface of the lung, lowering surface tension in the alveolus and thereby preventing lung collapse on breathing out.
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