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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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  • Lungs: Location, Anatomy, Function Complications - Cleveland Clinic
    A typical lung in a human adult lung weighs about 2 2 pounds and is a little longer than 9 inches when you’re breathing normally, and about 10 5 inches when your lungs are completely expanded
  • 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
  • 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 has three surfaces, named after their location in the thorax They are the mediastinal surface, diaphragmatic surface, and costal surface Lungs are protected by pleura, a thin layer of tissue that provides cushion and a small amount of fluid to help the lungs breathe smoothly
  • 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
  • How the Lungs Work - The Respiratory System - NHLBI, NIH
    Your lungs are on each side of your heart, inside your chest cavity They are the main organs of the respiratory system The right lung is divided into three lobes (sections), and the left lung is divided into two lobes Your left lung is slightly smaller than your right lung, since your heart takes up some space on the left side
  • Anatomy, Thorax, Lungs - StatPearls - NCBI Bookshelf
    Knowledge of lung anatomy is essential for understanding pulmonary disease pathophysiology, interpreting diagnostic tests, and performing surgical procedures A deeper grasp of lung anatomy is essential for healthcare professionals diagnosing, treating, and managing respiratory conditions
  • Lung: Anatomy, blood supply, innervation, functions - Kenhub
    Each lung is characterized by an apex, a base, costal, medial and diaphragmatic surfaces, and anterior, posterior and inferior borders The organs are roughly conical in shape and are divided by fissures into lobes The left lung has two lobes and one fissure; while the right lung has three lobes and two fissures
  • 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
  • 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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