: The pigmented skin surrounding the nipple. In order to suckle effectively, your baby's gums should be placed well around the areola. The areola overlies the lactiferous sinuses - which contains the breast milk.
: a term for bouts of intense unsoothable crying and other behaviour, perhaps due to stomach or bowel pain.
: The thick, yellowish fluid that is produced in the first few days of breast milk after birth. It has highly concentrated proteins, immunoglobulins, vitamins, and minerals, and is an important part of building up a baby's immune system. Mature milk comes in after the first couple of days.