noun
bronchiole
Anatomical term for the small airways branching from the bronchi in the lungs.
細気管支は肺の中で枝分かれしている。
The bronchioles branch inside the lungs.
気管支 refers to the larger bronchi, while 細気管支 are the smaller bronchioles that branch off from them.
Compound of 細 (small) + 気管支 (bronchus), a straightforward medical term.