Gross Anatomy
Study of structures that can be seen with the naked eye
Gross Anatomy of the Lungs
The right lung has three lobes while the left lung has two lobes. The both
lungs have oblique fissures. The right lung also has a horizontal fissure
separating the superior and middle lob...
Study of structures that can be seen with the naked eye
Gross Anatomy of the Lungs
The right lung has three lobes while the left lung has two lobes. The both
lungs have oblique fissures. The right lung also has a horizontal fissure
separating the superior and middle lobes
hilum
the root where the pulmonary blood vessels and veins enter the lung. This
is also where the trachea turns into the bronchi.
pleura
membranes that cover the surface of the lung and the cavity surrounding
the lungs
parietal pleura
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covers the surfaces surrounding the lungs: the rib cage, diaphragm, and
mediastinum.
visceral pleura
directly covers the lungs
pleural space/cavity
The space that is formed between the pleurae. Normally, this space is
empty except for a scant amount of fluid. However, in the diseased state,
this cavity can fill with air or fluids.
anatomical organization of the respiratory system
allows the respiratory system to perform three main functions: 1) air
conduction, 2) air filtration, and 3) exchange of gases - aka respiration
Conducting portion of respiratory system
responsible for moving air in and out of lungs. air is filter ed so that it is
free of debris, warmed, and humidified. By the time the air reaches the
lungs, it is at body temperature and saturated with water.
nostril
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