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lung    音标拼音: [l'ʌŋ]
n. 肺,肺脏,空地

肺,肺脏,空地

lung
n 1: either of two saclike respiratory organs in the chest of
vertebrates; serves to remove carbon dioxide and provide
oxygen to the blood

Lung \Lung\ (l[u^]ng), n. [OE. lunge, AS. lunge, pl. lungen;
akin to D. long, G. lunge, Icel. & Sw. lunga, Dan. lunge, all
prob. from the root of E. light. [root]125. See {Light} not
heavy.] (Anat.)
An organ for a["e]rial respiration; -- commonly in the
plural.
[1913 Webster]

My lungs began to crow
like chanticleer. --Shak.
[1913 Webster]

Note: In all air-breathing vertebrates the lungs are
developed from the ventral wall of the esophagus as a
pouch which divides into two sacs. In amphibians and
many reptiles the lungs retain very nearly this
primitive saclike character, but in the higher forms
the connection with the esophagus becomes elongated
into the windpipe and the inner walls of the sacs
become more and more divided, until, in the mammals,
the air spaces become minutely divided into tubes
ending in small air cells, in the walls of which the
blood circulates in a fine network of capillaries. In
mammals the lungs are more or less divided into lobes,
and each lung occupies a separate cavity in the thorax.
See {Respiration}.
[1913 Webster]

{Lung fever} (Med.), pneumonia.

{Lung flower} (Bot.), a species of gentian ({Gentian
Pneumonanthe}).

{Lung lichen} (Bot.), tree lungwort. See under {Lungwort}.

{Lung sac} (Zool.), one of the breathing organs of spiders
and snails.
[1913 Webster]


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  • Lung - Wikipedia
    Humans have two lungs, a right lung and a left lung They are situated within the thoracic cavity of the chest The right lung is bigger than the left, and the left lung shares space in the chest with the heart The lungs together weigh approximately 1 3 kilograms (2 9 lb), and the right is heavier
  • Lungs: Location, Anatomy, Function Complications - Cleveland Clinic
    One bronchial tube leads to your left lung, the other to your right lung For your lungs to perform their best, your airways need to be open when you inhale and when you exhale They also need to be free from inflammation (swelling) and abnormal amounts of mucus
  • Lung | Definition, Function, Facts | Britannica
    Lung, in air-breathing vertebrates, either of the two large organs of respiration located in the chest cavity and responsible for adding oxygen to and removing carbon dioxide from the blood The lungs are soft, light, spongy, elastic organs that normally, after birth, always contain air
  • Lungs: Anatomy, Function, and Treatment - Verywell Health
    Each lung is located near different organs in the body The left lung lies close to the heart, thoracic aorta, and esophagus, while the right lung is by the esophagus, heart, both vena cavas (inferior and superior), and the azygos vein
  • How Lungs Work - American Lung Association
    Your right lung is divided into three LOBES, or sections Each lobe is like a balloon filled with sponge-like tissue Air moves in and out through one opening—a branch of the bronchial tube Your left lung is divided into two LOBES
  • Lung Anatomy, Function, and Diagrams - Healthline
    Here is how lungs work as the center of your breathing, the path a full breath takes in your body, and a 3-D model of lung anatomy The lungs are the main part of your respiratory system
  • Lung: Anatomy, blood supply, innervation, functions - Kenhub
    The medial surface of the lung is the part that faces the mediastinum and consists of the mediastinal and vertebral surfaces Like the other lung surfaces, the medial surface has numerous indentations left by the adjacent structures that make an impression on the surface
  • How the Lungs Work - The Lungs - NHLBI, NIH
    Healthy lifestyle habits, such as physical activity and not smoking, can help prevent lung injury and disease
  • The Lungs - Position - Structure - TeachMeAnatomy
    Each lung is surrounded by a pleural cavity, which is formed by the visceral and parietal pleura They are suspended from the mediastinum by the lung root – a collection of structures entering and leaving the lungs





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