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Information about Axillary Artery

Artery:
Axillary artery and its branches - anterior view of right upper limb and thorax. Upper and lower limits labeled.
The pectoralis minor is used as a landmark for dividing the axillary artery into three parts.
Latinarteria axillaris
subject #149 586
Suppliesaxilla
Sourcesubclavian artery
BranchesSuperior thoracic
Thoracoacromial
Lateral thoracic
Subscapular
Anterior circumflex humeral
Posterior circumflex humeral
Veinaxillary vein
MeSH Axillary+Artery
Dorlands/Elsevier a_61/12153528
In human anatomy, the axillary artery is a large blood vessel that conveys oxygenated blood to the lateral aspect of the thorax, the axilla (armpit) and the upper limb. Its origin is at the lateral margin of the first rib, before which it is called the subclavian artery.

After passing the lower margin of teres major it becomes the brachial artery.

Relation to pectoralis minor: division into three parts

The axillary artery is often referred to as having three parts, with these divisions based on its location relative to the pectoralis minor muscle, which is in front of the artery.
  • First part - the part of the artery medial to pectoralis minor
  • Second part - the part of the artery that lies behind pectoralis minor
  • Third part - the part of the artery lateral to pectoralis minor

Relation to nerves and vein

The axillary artery is accompanied by the axillary vein along its length.

In the axilla, it is surrounded by the brachial plexus. The second part of the axillary artery is the reference for the locational descriptions of the cords in the brachial plexus. For example, the posterior cord of the brachial plexus is so named because it lies posterior to the second part of the artery.

Branches



The axillary artery has several smaller branches. The branches can be remembered, in order, when traveling from the heart, with the mnemonic "Screw The Lawyers Save A Patient" or "She Tastes Like Sweet Apple Pie."[1] It should be noted that the origin of these branches is highly variable (e.g. the posterior and anterior circumflex arteries often have a common trunk). An arterial branch is named for its course, not its origin. Continues as the brachial artery past the inferior border of the teres major.

Clinical Significance

The axillary artery may be safely clamped without endangering the arm, but only in a location proximal to the origin of the subscapular artery. The anastomotic network surrounding the scapula provides an alternate path for collateral circulation to the arm from arteries including the dorsal scapular artery and suprascapular artery.

Additional images


The veins of the right axilla, viewed from in front.

The right brachial plexus (infraclavicular portion) in the axillary fossa; viewed from below and in front.

Suprascapular and axillary nerves of right side, seen from behind.


References

External links

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Arteries of upper limbs
Axillaryscapular anastomosis - 1st part superior thoracic - 2nd part thoracoacromial - lateral thoracic - 3rd part subscapular (circumflex scapular, thoracodorsal) - anterior humeral circumflex - posterior humeral circumflex
Brachialprofunda brachii (radial collateral, medial collateral) - superior ulnar collateral - inferior ulnar collateral
Radialforearm: radial recurrent - palmar carpal branch - superficial palmar branch
wrist: dorsal carpal branch (dorsal carpal arch, dorsal metacarpal, dorsal digital)
hand: princeps pollicis - radial of index finger - deep palmar arch (palmar metacarpal)
Ulnarforearm: anterior ulnar recurrent - posterior ulnar recurrent - common interosseous (anterior, posterior, recurrent)
wrist: palmar carpal branch - dorsal carpal branch
hand: superficial palmar arch (common palmar digital, proper palmar digital) - deep palmar branch - palmar carpal arch
The Pectoralis minor is a thin, triangular muscle, situated at the upper part of the chest, beneath the Pectoralis major.

Origin and insertion

It arises from the upper margins and outer surfaces of the third, fourth, and fifth ribs, near their cartilage and from the
..... Click the link for more information.
Latin}}} 
Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
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For the bowling style in cricket, see .


The underarm (or armpit, axilla, or oxter) is the area on the human body directly under the joint where the arm connects to the shoulder.
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In human anatomy, the subclavian artery is a major artery of the upper thorax that mainly supplies blood to the head and arms. It is located below the clavicle, hence the name. There is a left subclavian and a right subclavian.
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The superior thoracic artery (highest thoracic artery) is a small vessel normally arising from the axillary artery, but may arise from the thoracoacromial.

Running forward and medialward along the upper border of the Pectoralis minor, it passes between it and the
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The thoracoacromial artery (acromiothoracic artery; thoracic axis) is a short trunk, which arises from the forepart of the axillary artery, its origin being generally overlapped by the upper edge of the Pectoralis minor.
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In human anatomy, the lateral thoracic artery (or external mammary artery) is a blood vessel that supplies oxygenated blood to the lateral structures of the thorax and breast.
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The subscapular artery, the largest branch of the axillary artery, arises at the lower border of the Subscapularis, which it follows to the inferior angle of the scapula, where it anastomoses with the lateral thoracic and intercostal arteries and with the descending branch of the
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The anterior humeral circumflex artery (anterior circumflex artery, anterior circumflex humeral artery), considerably smaller than the posterior, arises nearly opposite it, from the lateral side of the axillary artery.
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The posterior humeral circumflex artery (posterior circumflex artery, posterior circumflex humeral artery) arises from the axillary artery at the lower border of the subscapularis, and runs backward with the axillary nerve through the quadrangular space.
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In human anatomy, the axillary vein is a large blood vessel that conveys blood from the lateral aspect of the thorax, axilla (armpit) and upper limb toward the heart. There is one axillary vein on each side of the body.
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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. Created and updated by the United States National Library of Medicine (NLM), it is used by the MEDLINE/PubMed
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Elsevier, the world's largest publisher of medical and scientific literature, forms part of the Reed Elsevier group. Based in Amsterdam, the company has substantial operations in the UK, USA and elsewhere.
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Human anatomy is primarily the scientific study of the morphology of the adult human body.[1] It is subdivided into gross anatomy and microscopic anatomy.[1]
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The blood vessels are part of the cardiovascular system and function to transport blood throughout the body. The most important types, arteries and veins, carry blood away from or towards the heart, respectively.
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Blood is a specialized biological fluid consisting of red blood cells (also called RBCs or erythrocytes), white blood cells (also called leukocytes) and platelets (also called thrombocytes) suspended in a complex fluid medium known as blood plasma.
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thorax is a division of an animal's body that lies between the head and the abdomen.

In mammals, the thorax is the region of the body formed by the sternum, the thoracic vertebrae and the ribs. It extends from the neck to the diaphragm, not including the upper limbs.
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For the bowling style in cricket, see .


The underarm (or armpit, axilla, or oxter) is the area on the human body directly under the joint where the arm connects to the shoulder.
..... Click the link for more information.
In human anatomy, the upper limb (also upper extremity) refers to what in common English is known as the arm, that is, the region of the shoulder to the fingertips. It includes the entire limb, and thus, is not synonymous with the term upper arm.
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RIB can mean:
  • Rigid-hulled inflatable boat
  • Romanian International Bank
  • Routing Information Base
This article is about the bones called ribs. For other meanings, see rib (disambiguation).

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In human anatomy, the subclavian artery is a major artery of the upper thorax that mainly supplies blood to the head and arms. It is located below the clavicle, hence the name. There is a left subclavian and a right subclavian.
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Teres major is a muscle of the upper limb and one of six scapulohumeral muscles. It is a thick but somewhat flattened muscle.

Origin and insertion

It arises from the oval area on the dorsal surface of the inferior angle of the scapula, and from the fibrous septa
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The brachial artery is the major blood vessel of the upper arm.

It is a continuation of the axillary artery and it originates from the lower margin of teres major muscle and continues down the arm, until it reaches the cubital fossa at the elbow.
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The Pectoralis minor is a thin, triangular muscle, situated at the upper part of the chest, beneath the Pectoralis major.

Origin and insertion

It arises from the upper margins and outer surfaces of the third, fourth, and fifth ribs, near their cartilage and from the
..... Click the link for more information.
In human anatomy, the axillary vein is a large blood vessel that conveys blood from the lateral aspect of the thorax, axilla (armpit) and upper limb toward the heart. There is one axillary vein on each side of the body.
..... Click the link for more information.
The brachial plexus is an arrangement of nerve fibres, running from the spine, specifically from above the fifth cervical vertebra to underneath the first thoracic vertebra (C5-T1). It proceeds through the neck, the axilla (armpit region) and into the arm.
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The brachial plexus is an arrangement of nerve fibres, running from the spine, specifically from above the fifth cervical vertebra to underneath the first thoracic vertebra (C5-T1). It proceeds through the neck, the axilla (armpit region) and into the arm.
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The posterior cord is a division of the brachial plexus. It consists of contributions from all of the roots of the brachial plexus.[1]

The posterior cord gives rise to the following nerves:[2]

Name Roots Supplies
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Not to be confused with pneumonic.


A mnemonic (pronounced IPA: /niːˈmɒnɪk/ in RP, /nɨˈmɑnɨk/
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The superior thoracic artery (highest thoracic artery) is a small vessel normally arising from the axillary artery, but may arise from the thoracoacromial.

Running forward and medialward along the upper border of the Pectoralis minor, it passes between it and the
..... Click the link for more information.


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