bronchopulmonary segment

lung segment

A discrete anatomical unit of the lung that is composed of a segmental bronchus and the lung tissue supplied by that bronchus. A bronchopulmonary segment exhibits a pyramidal shape, with its apex pointing towards the center of the lung and its base toward the pleural surface.

Tipo Organ
Estructura principal organ subunit
Nombre latino lung segment

Preguntas frecuentes

What is the bronchopulmonary segment?
A bronchopulmonary segment is a functional unit of lung tissue supplied by a single segmental bronchus and corresponding pulmonary artery branch.
Where is the bronchopulmonary segment located?
The right lung contains 10 bronchopulmonary segments and the left lung contains 8-9 segments, organized into distinct anatomical territories within each lobe.
What is the function of the bronchopulmonary segment?
Each segment represents an independent functional and surgical unit that performs gas exchange independently and can be selectively resected without affecting adjacent segments.
What is the bronchopulmonary segment connected to?
Each segment receives a segmental bronchus, segmental artery, and is drained by intersegmental veins that follow the septal planes.
Why is the bronchopulmonary segment clinically important?
Understanding segmental anatomy is essential for thoracic surgery planning, lung cancer staging, and localization of pulmonary infections or lesions.

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Educational Disclaimer

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Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.