Eparterial bronchus

Eparterial bronchus

Infobox Anatomy
Name = Eparterial bronchus
Latin = ramus bronchialis eparterialis
GraySubject = 240
GrayPage = 1097


Caption = Mediastinal surface of right lung. (Eparterial bronchus labeled at center right.)


Caption2 = Front view of cartilages of larynx, trachea, and bronchi. (Eparterial bronchus not labeled, but visible at center left.)
System =
MeshName =
MeshNumber =
DorlandsPre = b_23
DorlandsSuf = 12198316

Also known as the right superior lobar bronchus, the eparterial bronchus is a branch of the right main bronchus given off about 2.5 cm. from the bifurcation of the trachea. This branch supplies the superior lobe of the right lung and is the most superior of all secondary bronchi. It arises above the level of the pulmonary artery, and for this reason is named the eparterial bronchus. All other distributions falling below the pulmonary artery are termed hyparterial. This classification is attributed to Christoph Theodor Aeby (1835-1885) and is central to his model of the anatomical lung which he presented in a monograph titled, "Der Bronchialbaum der Säugethiere und des Menschen, nebst Bemerkungen über den Bronchialbaum der Vögel und Reptilien" (Leipzig : Wilhelm Engelmann, 1880).

The eparterial bronchus is the only secondary bronchus with a specific name apart from the name of its corresponding lobe.

External links

*
* - "Pleural Cavities and Lungs: The Bronchi and Their Divisions"
*


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  • eparterial bronchus — a name sometimes given to the superior lobar bronchus on the right, which arises above the level of the pulmonary artery; see table and illustration …   Medical dictionary

  • Eparterial — Ep ar*te ri*al, a. [Pref. ep + arterial.] (Anat.) Situated upon or above an artery; applied esp. to the branches of the bronchi given off above the point where the pulmonary artery crosses the bronchus. [1913 Webster] …   The Collaborative International Dictionary of English

  • eparterial — Upon or superior to an artery. [G. epi, upon, + arteia, artery] * * * ep·ar·te·ri·al .ep är tir ē əl adj situated above an artery specif of or relating to the first branch of the right bronchus * * * adj. situated on or above an artery. * * *… …   Medical dictionary

  • Bronchus — One of the large air tubes leading from the trachea to the lungs that convey air to and from the lungs. The bronchi (the plural) have cartilage as part of their supporting wall structure. The trachea divides to form the right and left main… …   Medical dictionary

  • eparterial — |ep+ adjective Etymology: epi + arterial : situated above an artery; specifically : of or relating to the first branch of the right bronchus compare hyparterial …   Useful english dictionary

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  • Root of the lung — Infobox Anatomy Name = PAGENAME Latin = radix pulmonis GraySubject = 240 GrayPage = 1097 Caption = Mediastinal surface of right lung. Caption2 = Mediastinal surface of left lung. System = MeshName = MeshNumber = DorlandsPre = r 02 DorlandsSuf =… …   Wikipedia

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