The left lung has two lobes and possesses a lingula, which is a small tongue-like projection. It does not have grooves for the superior vena cava or azygos vein, and it is not divided by horizontal fissures. The groove for the esophagus is typically found on the right lung.

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The Left Lung

Question 38

Multiple Choice

The left lung:

A) is grooved by the superior vena cava
B) has three lobes divided by oblique and horizontal fissures
C) is grooved by the azygos vein
D) possesses a lingual lobe
E) possesses a groove for the esophagus

Correct Answer: