Anatomy of the breast

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EMBRYOLOGY INCLUDED BRIEFLY
SURGERY CLUB OF MAKCHS MINI GROUND ROUND

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Anatomy of the breast

  1. 1. ANATOMY OF THE BREAST ORIBA DAN LANGOYA, MBchB Makerere University School of Medicine Surgery Club Mini ward Round
  2. 2. INTRODUCTION Embryology  Epithelial/mesangial- glandular tissues of breast 4th to 6th weeks  Develops from milk streak  thoracic mammary bud appears at approx. 49day. Rest involutes  Dermally derived  Lies cushioned in fat Between layers of superficial pectoral fascia
  3. 3. Anatomy  Breasts form a 2ND ary sexual feature of females.  Breast lies upon the deep pectoral fascia, anterior, and inferiorly, external oblique and its aponeurosis as the latter forms the anterior wall of the sheath of rectus abdominis
  4. 4. Cross section
  5. 5. Blood Supply  Arteries  Internal thoracic artery  Intercostal arteries  The axillary artery  Lymph Drainage  Lateral quad drain into ant axillary or pect  Some vessels comm with lymph vessels of the opp breast & with those of the anterior abdominal wall  The med quad drain into internal thoracic group
  6. 6. Lymphatic Drainage
  7. 7. THE END!!! Life is a succession of lessons enforced by immediate reward, or, oftener, by immediate chastisement. - Ernest Dimnet

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