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internal thoracic artery (internal mammary artery)
Origin: subclavian artery
Branches:
1) medial mammary arteries
2) pericardiacophrenic artery
3) anterior intercostal branches
4) sternal branches
5) mediastinal branches
6) thymic branches
7) bronchial branches
8) musculophrenic artery (terminal branch)
9) superior epigastric artery (terminal branch)
Clinical significance:
- artery frequently used in bypass grafts, including CABG
General
blood vessel
Properties
FORM: internal thoracic artery (internal mammary artery)
ORIGIN: subclavian artery
References
- Stedman's Medical Dictionary 27th ed, Williams &
Wilkins, Baltimore, 1999
- Grant's Atlas of Anatomy, 10th edition, AMR Agur & MJ Lee (eds),
Lippincott Williams & Wilkins, Philadelphia, 1999
Components
intima; tunica intima
tunica media
vascular endothelium