Alveolus

usgb/ælˈviːələs/
noun

A tiny air space in the lungs where oxygen is exchanged for carbon dioxide.

There are millions of alveolus in our lungs that help in the process of respiration.
Visual representation of "alveolus" - A tiny air space in the lungs where oxygen is exchanged for carbon dioxide.

Often appears as...

  • alveolar damage
  • alveolar membrane

Usage tips

Technical

Definition 1 of 2
Visual representation of "alveolus"
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Lung Function

Focus on 'alveolus' to understand the lung's ability to exchange gases during breathing.

Illustration for Lung Function
A healthy alveolus is crucial for efficient oxygen absorption in the lungs.
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Respiration Process

Relate 'alveolus' to the entire process of respiration to grasp its role in the respiratory system.

Illustration for Respiration Process
When you breathe, air travels to each alveolus to transfer oxygen to the blood.
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Plural Form

'Alveolus' is singular; its plural form is 'alveoli', often used since we have multiple in our lungs.

Illustration for Plural Form
The doctor explained how the alveoli fill with air as we inhale.
Visual representation of the word "Alveolus"

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