Lateral mammary branches of posterior intercostal artery
Rami mammarii laterales arteriae intercostalis posterioris
- Related terms: Lateral mammary branches
Definition
The lateral mammary branches of the posterior intercostal artery are small arterial branches that arise from the posterior intercostal arteries and contribute to the blood supply of the breast, though their contribution is generally minor compared to other arterial sources (these lateral mammary branches represent one of several arterial sources to the breast, alongside the internal thoracic artery (which provides the dominant supply), lateral thoracic artery, and thoracoacromial artery).
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