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'''''Mammogenesis'''''
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== Mammogenesis ==
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* Initial duct growth is stimulated by '''oestrogen''', '''growth hormone''' and '''glucocorticoids'''.
 
* Initial duct growth is stimulated by '''oestrogen''', '''growth hormone''' and '''glucocorticoids'''.
 
* '''Prolactin''' and '''progesterone''' are important for lobular alveolar growth.
 
* '''Prolactin''' and '''progesterone''' are important for lobular alveolar growth.
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== Lactogenesis and Galactopoesis ==
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'''''Lactogenesis and Galactopoesis'''''
   
* Regulated by a '''lactogenic complex''' consisting of mainly prolactin and growth hormone, but also thyroid hormones, corticosteroids and insulin.   
 
* Regulated by a '''lactogenic complex''' consisting of mainly prolactin and growth hormone, but also thyroid hormones, corticosteroids and insulin.   
 
* '''Prolactin''' acts on mammary secretory epithelial cells to stimulate synthesis of milk proteins.  It is released during suckling and in response to the rise in oestrogen and glucocorticoids in parturition.
 
* '''Prolactin''' acts on mammary secretory epithelial cells to stimulate synthesis of milk proteins.  It is released during suckling and in response to the rise in oestrogen and glucocorticoids in parturition.
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* Depends on the frequency of suckling stimulus to cause release of the lactogenic complex.
 
* Depends on the frequency of suckling stimulus to cause release of the lactogenic complex.
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== Milk Ejection Reflex ==
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'''''Milk Ejection Reflex'''''
   
* '''[[Endocrine_System_-_Pituitary_Gland_-_Anatomy_%26_Physiology#Oxytocin|Oxytocin]]''' is synthesised by magnocellar neurones of the '''Paraventricular nucleus (PVN)''' and '''Supraoptic nucleus (SON)''' of the '''[[Endocrine_System_-_Hypothalamus_-_Anatomy_%26_Physiology#Hypothalamus|Hypothalamus]] '''.
 
* '''[[Endocrine_System_-_Pituitary_Gland_-_Anatomy_%26_Physiology#Oxytocin|Oxytocin]]''' is synthesised by magnocellar neurones of the '''Paraventricular nucleus (PVN)''' and '''Supraoptic nucleus (SON)''' of the '''[[Endocrine_System_-_Hypothalamus_-_Anatomy_%26_Physiology#Hypothalamus|Hypothalamus]] '''.
 
* Oxytocin is secreted from the '''[[Endocrine_System_-_Pituitary_Gland_-_Anatomy_%26_Physiology#Posterior_Pituitary_Gland|Posterior Pituitary Gland]]'''.
 
* Oxytocin is secreted from the '''[[Endocrine_System_-_Pituitary_Gland_-_Anatomy_%26_Physiology#Posterior_Pituitary_Gland|Posterior Pituitary Gland]]'''.
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