bronchiole terminal bronchiole BTO:0003223 EMAPA:36282 FMA:7411 MA:0000424 OpenCyc:Mx4rwS7IU5wpEbGdrcN5Y29ycA UBERON:0002187 UMLS:C0225666 bronchioli terminalis bronchiolus terminalis terminal bronchiole tube the last conducting structure of non-respiratory bronchioles; after this point, the airways have alveoli in their walls uberon