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Thoracoacromial artery

The thoracoacromial artery (acromiothoracic artery; thoracic axis) is a short trunk that arises from the second part of the axillary artery, its origin being generally overlapped by the upper edge of the pectoralis minor.

Thoracoacromial artery
Branches of axillary artery, including thoracoacromial artery
The scapular and circumflex arteries. (Thoracoacromial branch of thoracoacromial labeled at upper right.)
Details
SourceAxillary artery
Identifiers
Latinarteria thoracoacromialis
TA98A12.2.09.005
TA24619
FMA22671
Anatomical terminology
[edit on Wikidata]

Structure edit

Projecting forward to the upper border of the Pectoralis minor, it pierces the coracoclavicular fascia and divides into four branches—pectoral, acromial, clavicular, and deltoid.

Branch Description
Pectoral branch Descends between the two pectorales, and is distributed to them and to the mamma, anastomosing with the intercostal branches of the internal thoracic artery and with the lateral thoracic.
Acromial branch Runs laterally over the coracoid process and under the deltoideus, to which it gives branches; it then pierces that muscle and ends on the acromion in an arterial network formed by branches from the transverse scapular (a.k.a. suprascapular), thoracoacromial, and posterior humeral circumflex arteries.
Clavicular branch Runs upward and medialward to the sternoclavicular joint, supplying this articulation, and the subclavius.
Deltoid (humeral) branch Often arising with the acromial, it crosses over the pectoralis minor and passes in the same groove as the cephalic vein, between the pectoralis major and deltoideus, and gives branches to both muscles.

Additional images edit

References edit

  This article incorporates text in the public domain from page 588 of the 20th edition of Gray's Anatomy (1918)

External links edit

  • lesson2nerartveinspectregion at The Anatomy Lesson by Wesley Norman (Georgetown University)
  • lesson3axillaryart&vein at The Anatomy Lesson by Wesley Norman (Georgetown University)
  • Anatomy photo:04:07-0101 at the SUNY Downstate Medical Center - "Pectoral Region: Thoracoacromial Artery and its Branches"
  • Anatomy figure: 05:04-12 at Human Anatomy Online, SUNY Downstate Medical Center - "The axillary artery and its major branches shown in relation to major landmarks."

thoracoacromial, artery, thoracoacromial, artery, acromiothoracic, artery, thoracic, axis, short, trunk, that, arises, from, second, part, axillary, artery, origin, being, generally, overlapped, upper, edge, pectoralis, minor, branches, axillary, artery, inclu. The thoracoacromial artery acromiothoracic artery thoracic axis is a short trunk that arises from the second part of the axillary artery its origin being generally overlapped by the upper edge of the pectoralis minor Thoracoacromial arteryBranches of axillary artery including thoracoacromial arteryThe scapular and circumflex arteries Thoracoacromial branch of thoracoacromial labeled at upper right DetailsSourceAxillary arteryIdentifiersLatinarteria thoracoacromialisTA98A12 2 09 005TA24619FMA22671Anatomical terminology edit on Wikidata Contents 1 Structure 2 Additional images 3 References 4 External linksStructure editProjecting forward to the upper border of the Pectoralis minor it pierces the coracoclavicular fascia and divides into four branches pectoral acromial clavicular and deltoid Branch Description Pectoral branch Descends between the two pectorales and is distributed to them and to the mamma anastomosing with the intercostal branches of the internal thoracic artery and with the lateral thoracic Acromial branch Runs laterally over the coracoid process and under the deltoideus to which it gives branches it then pierces that muscle and ends on the acromion in an arterial network formed by branches from the transverse scapular a k a suprascapular thoracoacromial and posterior humeral circumflex arteries Clavicular branch Runs upward and medialward to the sternoclavicular joint supplying this articulation and the subclavius Deltoid humeral branch Often arising with the acromial it crosses over the pectoralis minor and passes in the same groove as the cephalic vein between the pectoralis major and deltoideus and gives branches to both muscles Additional images edit nbsp The axillary artery and its branches References edit nbsp This article incorporates text in the public domain from page 588 of the 20th edition of Gray s Anatomy 1918 External links editlesson2nerartveinspectregion at The Anatomy Lesson by Wesley Norman Georgetown University lesson3axillaryart amp vein at The Anatomy Lesson by Wesley Norman Georgetown University Anatomy photo 04 07 0101 at the SUNY Downstate Medical Center Pectoral Region Thoracoacromial Artery and its Branches Anatomy figure 05 04 12 at Human Anatomy Online SUNY Downstate Medical Center The axillary artery and its major branches shown in relation to major landmarks Portal nbsp Anatomy Retrieved from https en wikipedia org w index php title Thoracoacromial artery amp oldid 1222889303, wikipedia, wiki, book, books, library,

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