Lateral thoracic artery
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| Artery: Lateral thoracic artery | |
|---|---|
 | |
| Lateral thoracic artery and the axillary artery, with its other branches - anterior view of right upper limb and thorax. | |
| Latin | arteria thoracalis lateralis |
| Gray's | subject #149 588 |
| Supplies | Serratus anterior muscle Pectoralis major muscle |
| Source | axillary artery |
| Vein | lateral thoracic vein |
| Dorlands / Elsevier | a_61/12156319 |
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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.
It originates from the axillary artery and follows the lower border of the Pectoralis minor muscle to the side of the chest, supplies the Serratus anterior muscle and the Pectoralis major muscle, and sends branches across the axilla to the axillary glands and Subscapularis muscle; it anastomoses with the internal thoracic artery, subscapular, and intercostal arteries, and with the pectoral branch of the thoracoacromial artery.
In the female it supplies an external mammary branch which turns round the free edge of the Pectoralis major and supplies the mamma.
External link
- Lateral+thoracic+artery at eMedicine Dictionary
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 As such, some of the information contained herein may be outdated.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.
List of arteries of upper limbs | |
|---|---|
| Axillary | scapular anastomosis - 1st part superior thoracic - 2nd part thoracoacromial (deltoid branch) - lateral thoracic - 3rd part subscapular (circumflex scapular, thoracodorsal) - anterior humeral circumflex - posterior humeral circumflex |
| Brachial | profunda brachii (radial collateral, medial collateral) - ulnar collateral artery (superior, inferior) |
| Radial | forearm: radial recurrent
wrist/carpus: dorsal carpal branch - palmar carpal branch hand: superficial palmar branch - princeps pollicis (radial of index finger) |
| Ulnar | forearm: ulnar recurrent (anterior, posterior) - common interosseous (anterior, posterior, recurrent)
wrist/carpus: dorsal carpal branch - palmar carpal branch hand: deep palmar branch |
| Arches | dorsal carpal arch: dorsal metacarpal (dorsal digital)
superficial palmar arch: common palmar digital (proper palmar digital) deep palmar arch: palmar metacarpal |
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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
