- Breast (mammary gland): modified apocrine sweat gland in the superficial fascia of the pectoral region, rudimentary in the male and an accessory sex organ secreting milk in the female.
Location, Extent and Relations
- Located in the superficial fascia of the pectoral region; extends vertically from the second to sixth rib and horizontally from the lateral border of the sternum to the midaxillary line.
location and extent of the breast Location and extent of the breast.