bronchiole

bronchiole
n.
a subdivision of the bronchial tree that does not contain cartilage or mucous glands in its wall. Bronchioles open from the fifth or sixth generation of bronchi and extend for up to 20 more generations before reaching the terminal bronchioles. Each terminal bronchiole divides into a number of respiratory bronchioles, from which the alveoli open. Each terminal bronchiole conducts air to an acinus in the lung.
Derivatives:
bronchiolar adj.

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  • bronchiole — [ brɔ̃ʃjɔl; brɔ̃kjɔl ] n. f. • 1877; dimin. sav. de bronche ♦ Anat. Ramification terminale des bronches. ● bronchiole nom féminin Petite bronche aboutissant aux alvéoles pulmonaires. bronchiole n. f. Nom des ramifications les plus fines des… …   Encyclopédie Universelle

  • Bronchiole — Bron chi*ole, n. (Anat.) A minute bronchial tube. [1913 Webster] …   The Collaborative International Dictionary of English

  • bronchiole — Mod.L., from dim. of bronchia (see BRONCHIAL (Cf. bronchial)) …   Etymology dictionary

  • bronchiolė — statusas T sritis histologija, ląstelių chemija, histologinė chemija, audinių kultūra atitikmenys: lot. Bronchiolus ryšiai: platesnis terminas – bronchinis medis siauresnis terminas – išorinis dangalas siauresnis terminas – kvėpuojamoji gleivinė… …   Veterinarinės anatomijos, histologijos ir embriologijos terminai

  • bronchiolė — statusas T sritis histologija atitikmenys: lot. Bronchiolus ryšiai: platesnis terminas – bronchinis medis siauresnis terminas – išorinis dangalas siauresnis terminas – kvėpuojamoji gleivinė siauresnis terminas – raumeninis dangalas …   Medicininės histologijos ir embriologijos vardynas

  • bronchiole — [bräŋ′kē ōl΄] n. [ModL bronchiolum, dim. of LL bronchia, the bronchi] any of the small subdivisions of the bronchi: see LUNG …   English World dictionary

  • bronchiole — One of approximately six generations of increasingly finer subdivisions of the bronchi, all less than 1 mm in diameter, and having no cartilage in its wall, but relatively abundant smooth muscle and elastic fibers. SYN: bronchiolus [TA].… …   Medical dictionary

  • Bronchiole — Sur les autres projets Wikimedia : « Bronchiole », sur le Wiktionnaire (dictionnaire universel) Les bronchioles sont les premières branches des voies respiratoires qui ne contiennent plus de cartilage. Elles sont des prolongements… …   Wikipédia en Français

  • bronchiole — UK [ˈbrɒŋkɪəʊl] / US [ˈbrɑŋkɪoʊl] noun [countable] Word forms bronchiole : singular bronchiole plural bronchioles medical a very small tube inside your lungs that is connected to one of your bronchi (= the two main tubes inside each lung) …   English dictionary

  • Bronchiole — Infobox Anatomy Name = Bronchiole Latin = GraySubject = 240 GrayPage = 1098 Caption = Diagram of the alveoli with both cross section and external view. Caption2 = System = Precursor = MeshName = MeshNumber = DorlandsPre = Bronchioles DorlandsSuf …   Wikipedia

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