Thieme Teaching Assistant: Bronchopulmonary Segments of the Lungs

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The lung lobes are subdivided into bronchopulmonary segments, each supplied by a tertiary (segmental) bronchus. Note: These subdivisions are not defined by surface boundaries but by origin.

Fig. 8.8
Segmentation of the lung.
Anterior view.

Fig. 8.9
Posteroanterior bronchogram.
Anterior view of right lung.

Fig. 8.10 A
Right lung: Bronchopulmonary segments
Medial view.

Fig. 8.10 B
Right lung: Bronchopulmonary segments
Posterior view.

Fig. 8.10 C
Right lung: Bronchopulmonary segments
Lateral view.

Fig. 8.11 A
Left lung: Bronchopulmonary segments
Medial view.

Fig. 8.11 B
Left lung: Bronchopulmonary segments
Posterior view.

Fig. 8.11 C
Left lung: Bronchopulmonary segments
Lateral view.

Cl. Box 8.201 A
Clinical: Lung resections
Segmentectomy (wedge resection): Removal of one or more segments.

Cl. Box 8.201 B
Clinical: Lung resections
Lobectomy: Removal of lobe.

Cl. Box 8.201 C
Clinical: Lung resections
Pneumonectomy: Removal of entire lung.

Table 8.2
Segmental architecture of the lungs

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