| A | B |
| areola | the pigmented circle around the nipple |
| colostrum | the light yellow fluid secreted first by the breast |
| engorgement | local breast congestion |
| foremilk | breast milk formed prior to the letdown reflex |
| hind milk | breast milk formed bollowing the let down reflex |
| lactiferous sinuses | glands where breast milk is stored |
| letdown reflex | a reflex inititated by suckling |
| prolactin | a hormone produced by the anterior pituitary that stimulates milk production |
| oxytocin | a hormone secreted by the posterior pituitary that stimulates the let down reflex |