Right middle lobe bronchus

Bronchus lobaris medius

RespiratoryOrgansThoraxRight side

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What it is
Runs forwards and laterally from the bronchus intermedius and divides into lateral and medial segmental bronchi.
Function
Secondary (lobar) bronchus: conducts air to one lobe of the lung.
Size
About 1.5–2 cm long, 5–7 mm wide.
Clinical note
Lobar bronchi are the level at which the lung is removed in a lobectomy; their walls contain irregular cartilage plates instead of rings.