What is another word for alveolus?
Pronunciation: [ˌalvɪˈə͡ʊləs] (IPA) 
Alveolus refers to a tiny air sac in the lungs where gas exchange takes place. Several synonyms exist for the word alveolus. For example, the term alveoli can be used to refer to multiple alveolus. Another synonym is the pulmonary alveolus. This is because the alveoli are located within the lungs, hence the name pulmonary alveoli. Other terms that can be used to refer to alveolus include air sacs, respiratory sacs, or simply lung sacs. In summary, several synonyms exist for the word alveolus, and they can be used interchangeably depending on the context of use.
