NFS 203 Lecture Notes - Lecture 6: Allergen, Dental Caries, Pharyngeal Reflex
28 Apr 2017
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Document Summary
Cells that secrete the milk into the ducts. Contract due to oxytocin (hormone produced during letdown) and cause milk to be ejected into the ducts. Milk begins to form and lactose and protein content increase. 2-5 days postpartum " when milk comes in. Layed stage = failure of sustaining breastfeeding. Main role in letdown and ejection of milk from the acinus into the ducts. Lactose is made in the secretory cells and secreted into ducts via exocytosis. Milk fat is made from the blood triglycerides or new fatty acids in the breast. Forms milkfat globules when added to a protein carrier and secreted into ducts. Caused by sucking, hearing baby cry, sexual arousal and thinking of nursing. Milk made in first 2-3 days after delivery during lactogenesis 2. High in protein and mononuclear cells (immunity), low in lactose, carb and fats. Contains more na, k, vit e, carotenoids and chloride.
