bronchopulmonary segment

https://doi.org/10.1351/goldbook.10475
Largest subdivision of a lobe of the lung with its air supply from a major branch of the bronchus and having its own arterial blood supply.
Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 731 [Terms] [Paper]