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alveoli

/ˌælvɪˈoʊlaɪ/ noun · British & US
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What does alveoli mean?

Alveoli are tiny air sacs located at the end of the bronchioles in the lungs, playing a crucial role in the process of respiration. They are responsible for exchanging oxygen and carbon dioxide through the process of gas exchange, allowing oxygen to enter the bloodstream and carbon dioxide to be removed. The alveoli are a vital part of the respiratory system, and damage to them can cause breathing difficulties and other respiratory problems. The term 'alveoli' is typically used in a medical or scientific context, and is an important concept in the fields of anatomy, physiology, and pulmonology.

noun

The alveoli are the small air sacs located at the end of the bronchioles in the lungs where gas exchange occurs, allowing oxygen to enter the bloodstream and carbon dioxide to be removed.

Senses
  1. Small air sacs in the lungs for gas exchange
Example

"The doctor explained that the damage to the alveoli in the patient's lungs was causing their breathing difficulties."

More examples

"The alveoli in the lungs are responsible for exchanging oxygen and carbon dioxide through the process of respiration."

"The patient's condition caused inflammation in the alveoli, making it difficult for them to breathe."

Plural alveoli

The plural form 'alveoli' is often used as a collective noun, referring to multiple air sacs in the lungs.

Example

"The patient's condition caused inflammation in the alveoli, making it difficult for them to breathe."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymology of alveoli

The word 'alveoli' originates from the Latin word 'alveolus', which means 'small cavity' or 'hollow'. This term is derived from 'alveus', meaning 'hollow' or 'cavity', and is related to the verb 'alvare', which means 'to hollow out'. The term 'alveoli' has been used in English since the 17th century to describe the small air sacs in the lungs.

Usage notes

The term 'alveoli' is typically used in a medical or scientific context, particularly in the fields of anatomy, physiology, and pulmonology.

Synonyms for alveoli

Rhymes with alveoli