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Encyclopedia > Aortic arch
Artery: Aortic arch
Plan of the branches.
The arch of the aorta, and its branches.
Latin arcus aortae
Gray's subject #142 547
Branches brachiocephalic artery, left common carotid artery, subclavian artery
MeSH Aortic+Arch
Dorlands/Elsevier a_58/12150514
For the embryological structure, see Aortic arches.

The arch of the aorta (Transverse Aorta) begins at the level of the upper border of the second sternocostal articulation of the right side, and runs at first upward, backward, and to the left in front of the trachea; it is then directed backward on the left side of the trachea and finally passes downward on the left side of the body of the fourth thoracic vertebra, at the lower border of which it becomes continuous with the descending aorta. Image File history File links Gray506. ... Image File history File links Download high resolution version (451x700, 149 KB) Summary Licensing File links The following pages link to this file: Aorta Pulmonary artery Wikipedia:Grays Anatomy images with missing articles 11 Ligamentum arteriosum Aortic arch List of images in Grays Anatomy: VI. The Arteries Ascending... Latin is an ancient Indo-European language originally spoken in Latium, the region immediately surrounding Rome. ... The brachiocephalic artery (or trunk) is an artery of the mediastinum that supplies blood to the right arm and the head. ... Left Common Carotid Artery- One of three arteries that originate along the aortic arch. ... The subclavian artery is a major artery of the upper thorax that mainly supplies blood to the head and arms. ... Medical Subject Headings (MeSH) is a huge controlled vocabulary (or metadata system) for the purpose of indexing journal articles and books in the life sciences. ... Elseviers logo. ... This article focuses upon the multiple aortic arches present in the embryo. ... Windpipe redirects here. ... Windpipe redirects here. ... A typical thoracic vertebra The thoracic vertebrae (vertebrae thoracales) compose the middle segment of the vertebral column, between the cervical vertebrae and the lumbar vertebrae. ... The descending aorta is divided into two portions, the thoracic and abdominal, in correspondence with the two great cavities of the trunk in which it is situated. ...


It thus forms two curvatures: one with its convexity upward, the other with its convexity forward and to the left. Its upper border is usually about 2.5 cm. below the superior border to the manubrium sterni.


Relations

The arch of the aorta is covered anteriorly by the pleura and anterior margins of the lungs, and by the remains of the thymus. In anatomy, the pleural cavity is the potential space between the lungs and the chest wall. ... In human anatomy, the thymus is an organ located in the upper anterior portion of the chest cavity. ...


As the vessel runs backward its left side is in contact with the left lung and pleura.


Passing downward on the left side of this part of the arch are four nerves; in order from before backward these are, the left phrenic, the lower of the superior cardiac branches of the left vagus, the superior cardiac branch of the left sympathetic, and the trunk of the left vagus. To meet Wikipedias quality standards, this article or section may require cleanup. ... The vagus nerve is tenth of twelve paired cranial nerves and is the only nerve that starts in the brainstem (somewhere in the medulla oblongata) and extends all the way down past the head, right down to the abdomen. ... The word sympathetic means different things in different contexts. ...


As the last nerve crosses the arch it gives off its recurrent branch, which hooks around below the vessel and then passes upward on its right side, used to transfer the blood.


The highest left intercostal vein runs obliquely upward and forward on the left side of the arch, between the phrenic and vagus nerves. The intercostal veins are a group of veins which drain the area between the ribs (costae), called the intercostal space. ...


On the right are the deep part of the cardiac plexus, the left recurrent nerve, the esophagus, and the thoracic duct; the trachea lies behind and to the right of the vessel.


Above are the innominate, left common carotid, and left subclavian arteries, which arise from the convexity of the arch and are crossed close to their origins by the left innominate vein. Innominate (from Latin innominatus meaning nameless) can refer to: The brachiocephalic artery The brachiocephalic veins The three large bones which form the hip bone Innominata, from the same root, is used in Substantia innominata, a part of the brain Iris innominata, a flower Category: ... In human anatomy, the common carotid artery is an artery that supplies the head and neck; it divides in the neck to form the external and internal carotid arteries. ... In general, Subclavian means beneath the clavicle, and it can refer to: Subclavian vein Subclavian artery Subclavian nerve (part of the Brachial plexus) This is a disambiguation page — a list of articles associated with the same title. ...


Below are the bifurcation of the pulmonary artery, the left bronchus, the ligamentum arteriosum, the superficial part of the cardiac plexus, and the left recurrent nerve.


As already stated, the ligamentum arteriosum connects the commencement of the left pulmonary artery to the aortic arch. The ligamentum arteriosum is a small ligament between the pulmonary artery and aortic trunk. ...


Additional images

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. The public domain comprises the body of all creative works and other knowledge—writing, artwork, music, science, inventions, and others—in which no person or organization has any proprietary interest. ... An illustration from the 1918 edition Henry Grays Anatomy of the Human Body, commonly known as Grays Anatomy after Henry Gray, is an anatomy textbook widely regarded as a classic work on human anatomy. ...


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  Results from FactBites:
 
Aortic arch - Wikipedia, the free encyclopedia (600 words)
The arch of the aorta, and its branches.
The arch of the aorta is covered anteriorly by the pleura and anterior margins of the lungs, and by the remains of the thymus.
Passing downward on the left side of this part of the arch are four nerves; in order from before backward these are, the left phrenic, the lower of the superior cardiac branches of the left vagus, the superior cardiac branch of the left sympathetic, and the trunk of the left vagus.
TheFetus.net - Aortic arch interruption -Thomas C. Wheeler, MD, Philippe Jeanty, MD, PhD (2363 words)
Differential diagnosis: Aortic atresia with hypoplasia of the ascending aorta, aortic coarctation with tubular hypoplasia of the aorta.
A diagnosis of interrupted aortic arch type B was made and termination of the pregnancy was offered due to the poor prognosis associated with a hydropic fetus at 23 weeks gestation.
Interrupted aortic arch may be secondary to a decreased antegrade bloodflow in the ascending aorta due to the almost constant presence of ventricular septal defects and left ventricular outflow obstructions
  More results at FactBites »

 
 

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