Meaning of the word "alveolar duct" in English

What does "alveolar duct" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

alveolar duct

US /ælˈviː.ə.lər dʌkt/
UK /ælˈviː.ə.lər dʌkt/
"alveolar duct" picture

Noun

a tiny duct that connects the respiratory bronchioles to the alveolar sacs, which contain the alveoli (air sacs) in the lungs

Example:
Oxygen and carbon dioxide exchange occurs across the thin walls of the alveoli, which are connected by the alveolar duct.
Each alveolar duct branches into several alveolar sacs.