Eparterial bronchus

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Eparterial bronchus
Mediastinal surface of right lung. (Eparterial bronchus labeled at center right.)
Front view of cartilages of larynx, trachea, and bronchi. (Eparterial bronchus not labeled, but visible at center left.)
Latin	ramus bronchialis eparterialis
Gray's	subject #240 1097
Dorlands/Elsevier	b_23/12198316

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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.

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

External links

• 1080754234 at GPnotebook
• SUNY Labs 19:17-0103 - "Pleural Cavities and Lungs: The Bronchi and Their Divisions"
• MedEd at Loyola Grossanatomy/dissector/practical/thorax/thorax10.html

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e Anatomy of torso, respiratory system: Lungs and related structures
lungs	right • left • lingula • apex • base • root • cardiac notch • cardiac impression • hilum • borders (anterior, posterior, inferior) • surfaces (costal, mediastinal, diaphragmatic) • fissures (oblique, horizontal)
conducting zone	trachea (tracheal rings, carina) • bronchi • main bronchus (right, left) • lobar/secondary bronchi (eparterial bronchus) • segmental/tertiary bronchi (bronchopulmonary segment) • bronchiole • terminal bronchiole
respiratory zone	respiratory bronchiole • alveolar duct • alveolus • alveolar-capillary barrier
pleurae	parietal pleura (cervical, costal, mediastinal, diaphragmatic) • visceral pleura • pulmonary ligament • recesses (costomediastinal, costodiaphragmatic) • pleural cavity

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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .