Lung

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Last updated 12:27 AM on 3/3/25
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17 Terms

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Larynx
The voice box located in the neck that is responsible for producing sound.
The voice box located in the neck that is responsible for producing sound.
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Trachea
The windpipe that connects the larynx to the bronchi.
The windpipe that connects the larynx to the bronchi.
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Main bronchus
The primary airway branches that lead from the trachea into each lung (right and left).
The primary airway branches that lead from the trachea into each lung (right and left).
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Lung
The organ where gas exchange occurs, consisting of right and left lobes.
The organ where gas exchange occurs, consisting of right and left lobes.
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Apex
The top part of the lung.
The top part of the lung.
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Base
The bottom part of the lung that sits on the diaphragm.
The bottom part of the lung that sits on the diaphragm.
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Cardiac notch
A concave space in the left lung that accommodates the heart.
A concave space in the left lung that accommodates the heart.
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Superior lobe
The uppermost section of each lung.
The uppermost section of each lung.
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Middle lobe
The lobe located between the superior and inferior lobes, present only in the right lung.
The lobe located between the superior and inferior lobes, present only in the right lung.
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Inferior lobe
The lowest section of the lung.
The lowest section of the lung.
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Oblique fissure
The groove that separates the superior and inferior lobes of the lungs.
The groove that separates the superior and inferior lobes of the lungs.
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Horizontal fissure
The groove that separates the middle lobe from the superior lobe in the right lung.
The groove that separates the middle lobe from the superior lobe in the right lung.
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Lobule
The smallest functional unit of the lung.
The smallest functional unit of the lung.
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Visceral and parietal pleura

The membrane that covers the surface of the lungs.
The membrane that covers the surface of the lungs.
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Diaphragm
The muscle that separates the thoracic cavity from the abdominal cavity and plays a major role in breathing.
The muscle that separates the thoracic cavity from the abdominal cavity and plays a major role in breathing.
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Esophageal hiatus
An opening in the diaphragm where the esophagus passes through.
An opening in the diaphragm where the esophagus passes through.
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Opening for inferior vena cava
The passage in the diaphragm for the inferior vena cava, allowing return of blood to the heart.
The passage in the diaphragm for the inferior vena cava, allowing return of blood to the heart.