Keyword Analysis & Research: lungs and lobes definition quizlet

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What are the two lobes of the left lung?

The left lung consists of two lobes: the left upper lobe (LUL) and the left lower lobe (LLL). The right lobe is divided by an oblique and horizontal fissure, where the horizontal fissure divides the upper and middle lobe, and the oblique fissure divides the middle and lower lobes.

What is the air supply to the lung lobes?

Air Supply to the Lung Lobes. After entering the lungs, the right bronchus divides into three lobar bronchi, while the left bronchus divides into two lobar bronchi [10] ā€“ one for each of the lung lobes. These lobar bronchi then divide into tertiary or segmental bronchi. There are 10 tertiary bronchi in the right lung and 9 in the left,...

How many bronchi are in the lung lobes?

Air Supply to the Lung Lobes After entering the lungs, the right bronchus divides into three lobar bronchi, while the left bronchus divides into two lobar bronchi ā€“ one for each of the lung lobes. These lobar bronchi then divide into tertiary or segmental bronchi.

Why is the right lung broader than the left lung?

The right lung is broader than the left because most of the heart and great vessels project into the left pleural cavity. However, the left lung is longer than the right lung because the diaphragm rises on the right side to accommodate the mass of the liver.


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