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Encyclopedia > Brachiocephalic artery
Artery: Brachiocephalic artery
Schematic of the proximal aorta, frontal view. The brachiocephalic artery (labeled innominate) is the third branch of the aorta and the first branch from the arch of the aorta. The heart in the lower left is not shown.
The veins of the thyroid gland.
Latin truncus brachiocephalicus
Gray's subject #142 548
Source aortic arch
Branches right common carotid artery
right subclavian artery
thyreoidea ima
Vein brachiocephalic vein
MeSH Brachiocephalic+Veins
Dorlands/Elsevier t_20/12825973

The brachiocephalic artery (or brachiocephalic trunk or innominate artery) is an artery of the mediastinum that supplies blood to the right arm and the head and neck. Image File history File links No higher resolution available. ... The heart and lungs, from an older edition of Grays Anatomy. ... Image File history File links No higher resolution available. ... Latin is an ancient Indo-European language originally spoken in Latium, the region immediately surrounding Rome. ... The aorta (generally pronounced or ay-orta) is the largest artery in the human body, originating from the left ventricle of the heart and bringing oxygenated blood to all parts of the body in the systemic circulation. ... 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. ... The thyreoidea ima ascends in front of the trachea to the lower part of the thyroid gland, which it supplies. ... The Brachiocephalic vein is also known as the innominate vein, the left and right brachiocephalic veins in the upper chest are formed by the union of each corresponding jugular vein and subclavian vein. ... 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. ... 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: ... Section of an artery For other uses, see Artery (disambiguation). ... FIG. 967– Transverse section through the upper margin of the second thoracic vertebra The mediastinum is a non-delineated group of structures in the thorax (chest), surrounded by loose connective tissue. ... Look up ARM in Wiktionary, the free dictionary. ... Human Head redirects here. ... A human neck. ...


It is the first branch of the aortic arch, and soon after it is emerges, the brachiocephalic artery divides into the right common carotid artery and the right subclavian artery. The aorta (generally pronounced or ay-orta) is the largest artery in the human body, originating from the left ventricle of the heart and bringing oxygenated blood to all parts of the body in the systemic circulation. ... 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. ...


There is no brachiocephalic artery for the left side of the body. The left common carotid, and the left subclavian artery, come directly off the aortic arch. However, there are two brachiocephalic veins. The Brachiocephalic vein is also known as the innominate vein, the left and right brachiocephalic veins in the upper chest are formed by the union of each corresponding jugular vein and subclavian vein. ...

Contents

Origin

It arises, on a 1337 level with the upper border of the second right costal cartilage, from the commencement of the arch of the aorta, on a plane anterior to the origin of the left carotid; it ascends obliquely upward, backward, and to the right to the level of the upper border of the right sternoclavicular articulation, where it divides into the right common carotid and right subclavian arteries. The costal cartilages are bars of hyaline cartilage which serve to prolong the ribs forward and contribute very materially to the elasticity of the walls of the thorax. ... 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. ...


Relations

Anteriorly, it is separated from the manubrium sterni by the Sternohyoideus and Sternothyreoideus, the remains of the thymus, the left innominate and right inferior thyroid veins which cross its root, and sometimes the superior cardiac branches of the right vagus. Posterior to it is the trachea, which it crosses obliquely. The manubrium (or manubrium sterni) is the broad, upper part of the sternum. ... The Sternohyoideus (Sternohyoid muscle) is a thin, narrow muscle, which arises from the posterior surface of the medial end of the clavicle, the posterior sternoclavicular ligament, and the upper and posterior part of the manubrium sterni. ... The Sternothyreoideus (Sternothyroid muscle) is shorter and wider than the preceding muscle, beneath which it is situated. ... The trachea, or windpipe, is a tube that has a inner diameter of about 12mm and a length of about 10-12cm. ...


On the right side are the right innominate vein, the superior vena cava, the right phrenic nerve, and the pleura; and on the left side, the remains of the thymus, the origin of the left common carotid artery, the inferior thyroid veins, and the trachea. The Brachiocephalic vein is also known as the innominate vein, the left and right brachiocephalic veins in the upper chest are formed by the union of each corresponding jugular vein and subclavian vein. ... Superior vena cava - Wikipedia, the free encyclopedia /**/ @import /skins-1. ... The phrenic nerve arises from the third, fourth, and fifth cervical spinal nerves (C3-C5) in humans. ... In anatomy, the pleural cavity is the potential space between the lungs and the chest wall. ... Thymus, see Thyme. ... Left Common Carotid Artery- One of three arteries that originate along the aortic arch. ... The inferior thyroid veins two, frequently three or four, in number, arise in the venous plexus on the thyroid gland, communicating with the middle and superior thyroid veins. ...


Branches

The innominate artery usually gives off no branches, but occasionally a small branch, the thyreoidea ima, arises from it. Other times, it gives off a thymic or bronchial branch.


The thyreoidea ima (a. thyreoidea ima) ascends in front of the trachea to the lower part of the thyroid gland, which it supplies.


It varies greatly in size, and appears to compensate for deficiency or absence of one of the other thyroid vessels. It occasionally arises from the aorta, the right common carotid, the subclavian or the internal mammary. The aorta (generally pronounced or ay-orta) is the largest artery in the human body, originating from the left ventricle of the heart and bringing oxygenated blood to all parts of the body in the systemic circulation. ... 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. ... In human anatomy, the internal thoracic artery (ITA) (previously known as the internal mammary artery) is an artery that supplies the anterior chest wall and the breasts. ...


Additional images

External links

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 State University of New York Health Science Center at Brooklyn, better known as SUNY Downstate Medical Center, is an academic medical center and is the only one of its kind in the Borough of Brooklyn in New York City. ... eMedicine is an online clinical medical knowledge base that was founded in 1996. ... 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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