| A | B |
| Cooper's ligaments | suspensory ligament, fibrous bands extending from inner breast surface to chest wall muscles |
| gynecomastia | excessive breast development in the male |
| lymphadenopathy | enlargement & tenderness of lymph node |
| mastitis | inflammation of the breast |
| Montgomery's glands | sebaceous glands in the areola, secrete protective lipid during lactation |
| peau d'orange | orange-peel appearance of breast due to edema |
| tail of Spence | extension of breast tissue into the axilla |
| nipple retraction | dimple or pucker in skin of nipple |