Breast Vascularity Flashcards
Where does the arterial blood for the breast come from? (2)
- Thoracic branches of the axillary artery
- Lateral thoracic arteries
What is the primary source of blood for the breast?
Internal mammary artery
What does the internal mammary artery arise from?
Subclavian artery
What is another name for lateral thoracic artery?
External mammary artery
Where does the external mammary artery arise from?
Axillary artery
Where does the internal mammary artery travel?
Beneath the ribs lateral to the sternum
Where does the lateral thoracic artery travel?
Inferiorly along the lateral borders of the pectoralis muscle
What does the external mammary artery supply?
Lateral and outer aspects and deep portions of the breast
What do the intercostal artery help to supply?
The lateral and outer aspects and deep portions of the breast
What do perforating arteries supply?
Blood to the medial aspect of the breast
What is the least important blood source for the breast?
Perforating arteries
What do venous drainage pathways work parallel to?
The arteries
What is circulus venosus?
Anastomotic circle around the base of the nipple
What is the new name for the internal mammary artery?
Internal thoracic artery
