IPA: //ælˈviːələs//
KK: /ælˈviələs/
A small, hollow space in the body, such as in the lungs where air is exchanged, or in the jawbone where teeth are held.
The alveolus is essential for gas exchange in the respiratory system.
Alveolus → It is formed from "alveus" (meaning cavity or hollow) and the diminutive suffix "-olus" (meaning small). The word refers to a small cavity or hollow structure, particularly in the context of anatomy, such as the small air sacs in the lungs.
Think of a small 'cavity' ('alveus') when you remember that 'alveolus' refers to a small hollow structure in the body.