Samiksha Jaiswal (Editor)

Lateral thoracic artery

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Source
  
Dorlands/Elsevier
  
a_61/12156319

Vein
  
lateral thoracic vein

TA
  
A12.2.09.011

Lateral thoracic artery

Supplies
  
Serratus anterior musclePectoralis major muscle

Latin
  
arteria thoracalis lateralis

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 lymph nodes 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 breasts.

References

Lateral thoracic artery Wikipedia


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