WordNet

a continuous tube formed by a row of elongated cells lacking intervening end walls
an enclosed conduit for a fluid
a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snakes fangs" (同)epithelial duct, canal, channel
pertaining to the tiny air sacs of the lungs
pertaining to the sockets of the teeth or that part of the upper jaw; "alveolar processes"

PrepTutorEJDIC

送水管;(建物・船などの)通気管;(地下ケーブルなどの)ダクト / (体液を運ぶ)導管,(植物が水・空気を運ぶ)導管
歯茎音の(舌先を上歯茎にふれて発音する) / 肺胞の;歯槽(しそう)の / 歯茎音

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/03/28 19:15:11」(JST)

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Alveolar ducts are tiny ducts that connect the respiratory bronchioles to alveolar sacs, each of which contains a collection of alveoli (small mucus-lined pouches made of flattened epithelial cells). They are tiny end ducts of the branching airways that fill the lungs. Each lung holds approximately 1.5 to 2 million of them. The tubules divide into two or three alveolar sacs at the distal end. They are formed from the confluence openings of several alveoli. Distal terminations of alveolar ducts are atria which then end in alveolar sacs.

In human anatomy, respiratory bronchioles exist proximal to the alveolar ducts. The epithelial lining consists of smooth muscle knobs covered by nonciliated, simple cuboidal cells. The smooth muscle constricts under parasympathetic innervation and relax under sympathetic innervation.

Additional images

human alveolar duct
Bronchi, bronchial tree, and lungs

External links

Anatomy Atlases - Microscopic Anatomy, plate 11.229 - "Alviolar Duct and Alveolar Sacs"
Histology image: 13607loa – Histology Learning System at Boston University - "Respiratory System: lung (sheep), alveolar duct "
Anatomy photo: respiratory/lung/lung7/lung3 - Comparative Organology at University of California, Davis - "Mammal, lung (EM, Medium)"

This respiratory system article is a stub. You can help Wikipedia by expanding it.

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5. 胎児の発育遅延：評価およびマネージメント fetal growth restriction evaluation and management

English Journal

Immunohistochemical localization of extracellular matrix proteins in developing lung tissues.

Derin BG1, Erdogan D, Take G, Lortlar N.
Saudi medical journal.Saudi Med J.2007 Mar;28(3):334-8.
PMID 17334455

[In vitro-morphology and densitometry of lung emphysema by high resolution computed tomography (HRTCT) and three dimensional reconstruction of the ductus alveolaris by micro scale computed tomography micro CTA)].

Watz H1.
Pneumologie (Stuttgart, Germany).Pneumologie.2003 Aug;57(8):470-2.
PMID 12928989

Electrophysiological and histopathological evaluation of respiratory tract, diaphragm, and phrenic nerve after dichlorvos inhalation in rats.

Atiş S1, Cömelekoğlu U, Coşkun B, Ozge A, Ersöz G, Talas D.
Inhalation toxicology.Inhal Toxicol.2002 Feb;14(2):199-215.
PMID 12122580

「肺胞管」

Alveolar duct
	Detailed drawing of the alveoli from Gray's Anatomy, 1918 - Schematic longitudinal section of a primary lobule of the lung (anatomical unit);; r. b respiratory bronchiole;; al. d alveolar duct;; at atria;; a. s alveolar sac;; 'a' alveolus or air cell;; p. a.: pulmonary artery;; p. v pulmonary vein;; l lymphatic;; l. n lymph node.
	Part of a secondary lobule from the depth of a human lung, showing parts of several primary lobules.; 1, bronchiole;; 2, respiratory bronchiole;; 3, alveolar duct;; 4, atria;; 5, alveolar sac;; 6, alveolus or air cell:; m, smooth muscle;; a, branch pulmonary artery;; v, branch pulmonary vein;; s, septum between secondary lobules.
Details
Identifiers
Latin	Ductus alveolaris
Code	TH H3.05.02.0.00022
	Anatomical terminology [edit on Wikidata]

　　[★]

英: alveolar duct (Z)
ラ: ductus alveolaris
関: 肺胞

「alveolar」

　　[★]

adj.

肺胞の、肺胞性の、胞巣状の、(歯学)歯槽の

関: alveoli、alveolus、pulmonary alveoli、pulmonary alveolus、tooth socket

「duct」

　　[★]

n.

管、(植物)導管

関: canal、conduit、ductal、ductus、meatus、pipe、tubal、tube、vas、vessel

「ductus」

　　[★]

管

関: canal、duct、ductal、meatus、pipe、tubal、tube、vas

Alveolar duct
Detailed drawing of the alveoli from Gray's Anatomy, 1918 - Schematic longitudinal section of a primary lobule of the lung (anatomical unit); r. b respiratory bronchiole; al. d alveolar duct; at atria; a. s alveolar sac; 'a' alveolus or air cell; p. a.: pulmonary artery; p. v pulmonary vein; l lymphatic; l. n lymph node.
Part of a secondary lobule from the depth of a human lung, showing parts of several primary lobules. 1, bronchiole; 2, respiratory bronchiole; 3, alveolar duct; 4, atria; 5, alveolar sac; 6, alveolus or air cell: m, smooth muscle; a, branch pulmonary artery; v, branch pulmonary vein; s, septum between secondary lobules.
Details
Identifiers
Latin	Ductus alveolaris
Code	TH H3.05.02.0.00022
*Anatomical terminology* [edit on Wikidata]

リンク元	「肺胞管」
関連記事	「alveolar」「duct」「ductus」

匿名

検索

案内

案内

ductus alveolaris