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Intermediate bronchus - right lung
Other Terms: Bronchus intermedius, Intermediate bronchus, Right interlobar bronchus
The interlobar bronchi arise from the lobar bronchus. They are the divisions of the main bronchi Inside of the lung. They each travel to the different lobes within each lung. Their large lumens are lined by respiratory epithelium. Underneath this epithelium is a smooth muscle layer that contains seromucous glands. Hyaline cartilage surrounds the smooth muscle to give structural support to the lumen.