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7 Cards in this Set

  • Front
  • Back
what does female breast consist of?
mammary glandular tissue, adipose, connective tissue, skin
nipple
at ~IC space 4

10-20 mammary lobes --> lactiferous ducts --> lactiferous sinus --> nipple
retromammary space
loose CT separating breast from underlying fascia of pec major & serratus anterior

tumors can invade this space and attach to underlying muscles
arteries to breast
medial mammary (from internal thoracic)

lateral thoracic & thoracoacromial (from axillary)

posterior IC (from aorta)
venous drainage
parallels arteries

axillary, internal thoracic & IC veins
lymphatic drainage
axillary - ~75%

parasternal - esp from medial breast

subdiaphragmatic and abdominal - inferior breast
5 groups of axillary lymph nodes
1) pectoral (anterior) - breast
2) humeral (lateral) - UL
3) subscapular (posterior) - back & shoulder
4) central - in fat
5) apical - lymph from all other axillary groups