Basal Part of Left Pulmonary Artery
Pars basalis arteriae pulmonalis sinistrae
Read moreQuick Facts
Origin: Inferior lobar artery of left lung.
Course: Accompanies the inferior lobar bronchus of the left lung.
Branches: Anterior, medial, lateral, and posterior basal segmental arteries.
Supplied Structures: Basal bronchopulmonary segments of the inferior lobe of the left lung.
Related parts of the anatomy
Origin
The basal part of the left pulmonary artery is a continuation of the inferior lobar artery, after it gives off its superior segmental artery.
Course
The basal part of the inferior lobar artery extends into the inferior lobe of the left lung, accompanied by the inferior lobar bronchus.
Branches
The basal part of the left pulmonary artery gives rise to numerous branches. Firstly, the anterior and medial branches arise from a common trunk, the anteromedial basal segmental artery, in 60% of individuals (Lee et al., 1991). This trunk gives rise to the anterior and medial basal segmental arteries. The lateral and posterior basal segmental arteries arise directly from the basal part of the left pulmonary artery.
Supplied Structures
The basal part of the left pulmonary artery supplies blood to the basal part of the inferior lobe of the left lung.
List of Clinical Correlates
- Pulmonary embolism
References
Lee, K. S., Bae, W. K., Lee, B. H., Kim, I. Y. and Choi, E. W. (1991) 'Bronchovascular anatomy of the upper lobes: evaluation with thin-section CT', Radiology, 181(3), pp. 765-72.
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Left Pulmonary Artery
As the left pulmonary artery descends and enters the oblique fissure, it divides further into a blood vessel that supplies the superior segment of the inferior lobe.
