Breast Anatomy

Question 1

fibrous connections between the inner side of the breast skin and the pectoral muscles. prevent breast ptosis

Answer 1

Cooper’s ligaments

Question 2

the prolongation of upper outer quadrant of the breast in the axillary direction. lots of lymphatics-common site for cancer

Answer 2

Tail of Spence

Question 3

bumps on the periphery of the areola that aremodified sweat glands. produce secretions that act as a lubricant for breastfeeding

Answer 3

montgomery tubercles

Question 4

network of lymphatics in the areola of the nipple that all the lymphatic of the breast converge into. important in the identification of the sentinel lymph node

Answer 4

Sappey plexus

Question 5

responsible for delivering the milk to the surface of the skin. form a tree-branch-like network that converges at the nipple

Answer 5

lactiferous ducts

Question 6

basic functional and histopathological unit of the breast. it is the glandular unit that produces milk. It is postulated that most cancers and benign lesions arise here

Answer 6

terminal ductal lobular unit

Question 7

main arterial supply of breast

Answer 7

internal mammary arteries branching off subclavian (60%) and external mammary arteries (30%)