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Hacking, C. Lingula lung. Reference article, Radiopaedia. The right lung is subdivided into three lobes with ten segments. The notation in brackets refers to the Boyden classification of bronchi.
The left lung is subdivided into two lobes and thereby, into eight segments. Useful mnemonic to remember the bronchopulmonary segments are:.
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Thank you for updating your details. Log In. Sign Up. Become a Gold Supporter and see no ads. Log in Sign up. Articles Cases Courses Quiz. About Recent Edits Go ad-free. The lingula is divided into two segments: the superior lingula and the inferior lingula. Each segment receives its air supply from its own tertiary bronchus — the superior lingular bronchus and inferior lingular bronchus, respectively — and works as a discrete unit within the lung.
Air inhaled into the body enters the left lung through the left primary bronchus, which bifurcates into the superior and inferior lobar bronchi. Each secondary bronchus provides air to one lobe of the lung. The superior lobar bronchus further divides into four tertiary bronchi to provide air to each of the bronchopulmonary segments of the lobe. Two of the tertiary bronchi, the superior lingular bronchus and the inferior lingular bronchus, carry air to the lingula.
Upon reaching the lingula, each tertiary bronchus further divides into many bronchioles to deliver air to all of the tissues of the lung.
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