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Anatomy of a Nursing Breast

 
 
Cross Section of a Lactating Breast
The milk is produced in milk producing cells.  A portion of the milk continuously comes down the ducts and collects in the sinuses.  When the cells are stimulated, they expel additional milk into the duct system (milk ejection reflex).
Cross Section of a Baby Nursing
T
he entire areola and nipple form a "teat" inside the baby's mouth, reaching all the way back toward her throat.  Note how baby's tongue completely covers her lower gum (or teeth), with the nipple far back in the mouth where it cannot be damaged.
Nursing Anatomy in Action!
 
 
 

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