Читать книгу The SAGE Encyclopedia of Stem Cell Research - Группа авторов - Страница 213

The breasts, medically referred to as mammary glands, are located at the front of the body overlying the pectoralis major muscle. This includes the base of the breast, which is fixed between the second and sixth rib. Breast anatomy is composed of a network of glandular structures, fatty tissue, blood vessels, and lymphatic vessels.

The breast has three structures: skin, subcutaneous tissue, and breast tissue. The average dimension of a breast is 10 to 12 centimeters and has a thickness of 5 to 7 centimeters. It contains hair follicles, sweat glands, and oil glands. The nipple averages 15 to 60 millimeters in dimension and has a circular areola. The nipple is also comprised of oil and sweat glands, and there is a high concentration of sensory nerve endings as well.