Ultrasound image of the lactating breast. The skin is displayed anteriorly as an echogenic line. Glandular tissue is hyperechoic and the fat more hypoechoic compared to the glandular tissue. Note that there is moderate amount of fat within the parenchyma of the breast.
Geddes International Breastfeeding Journal 2009 4:4 doi:10.1186/1746-4358-4-4