Term Name:	pulmonary lobule
Synonyms:	lobulus pulmonis
Definition:	The smallest anatomical unit of the lung, measuring 0.50 to 2.00 cm in diameter. Each lobule is composed of 4-8 terminal bronchioles and their distal alveolar ducts and sacs. The lobules are separated by fibrous interlobular septa.
Ontology:	Cell Ontology [UBERON:0010368]