Suckling sends neural feedback to the hypothalamus which responds by releasing the hormone, oxytocin, from the posterior pituitary gland. Oxytocin, informally dubbed "the love hormone", promotes both maternal bonding and stimulation of smooth muscle-type contraction in the mammary glands. These contractions compress the milk-filled ducts to expel their contents through the only available opening, the nipple. Oxytocin is responsible for milk release, but which hormone stimulates milk production?
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The two primary hormones that are needed for lactation are prolactin and oxytocin. Prolactin stimulates milk biosynthesis within the alveolar cells of the breast and oxytocin stimulates contraction of the myoepithelial cells that surround the alveoli, causing the milk to be ejected into the ducts leading to the nipple.The release of the hormone oxytocin leads to the milk ejection or let-down reflex. Oxytocin stimulates the muscles surrounding the breast to squeeze out the milk. Breastfeeding mothers describe the sensation differently.Hormonal control of milk production. There are two hormones that directly affect breastfeeding: prolactin and oxytocin. A number of other hormones, such as oestrogen, are involved indirectly in lactation (2). When a baby suckles at the breast, sensory impulses pass from the nipple to the brain.
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prolactin hormone is responsible for tje production of milk and oxytocin is responsible for release by contraction.
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