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(Redirected from Deltoid branch of thoracoacromial artery)
| Thoracoacromial artery | |
|---|---|
 Branches of axillary artery, including thoracoacromial artery | |
 The scapular and circumflex arteries. (Thoracoacromial branch of thoracoacromial labeled at upper right.) | |
| Details | |
| Source | Axillary artery |
| Identifiers | |
| Latin | arteria thoracoacromialis |
| TA98 | A12.2.09.005 |
| TA2 | 4619 |
| FMA | 22671 |
| Anatomical terminology | |
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.
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.[1]
| 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]-
The axillary artery and its branches.
References
[edit]
This article incorporates text in the public domain from page 588 of the 20th edition of Gray's Anatomy (1918)
- ^ Stern, Jack (2025-08-06). "Clinically Oriented Anatomy by Keith L. Moore, Arthur F. Dalley, and Anne M. Agur". Clinical Anatomy. 22 (5): 635–635. doi:10.1002/ca.20801. ISSN 0897-3806.
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."
