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no, it's release is the effect of a positive control feedback mechanism
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What is the name of the hormone that regulates milk secretion?
Oxytocin.
Is Oxytocin is secreted by the anterior lobe of the pituitary?
Oxytocin is secreted by the posterior pituitary and is peptide/water-soluble. It stimulates contractions during childbirth and milk secretion during nursing.
What is Adenohypophyseal function regulated by?
the hypothalamus
What hormone stimulates the contraction of the muscles in the uterus and secretion of milk in the mammary gland?
Uterine contractions are stimulated by the release of Oxytocin a hypothalamic hormone which has uterine contracting and milk releasing actions.
What hormone stimulates and maintains milk production after childbirth?
Oxytocin is the lactogenic hormone that stimulates and maintains the secretion of breast milk after childbirth.
What hormones are regulated by positive feedback under certain circumstances?
Oxytocin in the process of giving birth. Oxytocin causes uterine contraction, which causes the baby to push up against the cervix, which causes more oxytocin to be released. And the cycle continues until the baby is born.
Where are adh and Oxycontin synthesized?
The posterior pituitary also known as the neurohypophysis contains nerve endings of tracts that originate in the hypothalamus. The two "nuclei" that supply these tracts are the Paraventricular and Supraoptic. The primary secretion of the paraventricular nucleus is OXYTOCIN. The primary secretion of the supraoptic nucleus is ADH also known as Vasopressin. Even though these nuclei have a "primary" secretion, each nucleus can synthesize approximately 1/6th of the other hormone that is not it's primary secretion. The best way to remember is the acronym POSA(paraventricular-oxytocin/supraoptic...Source:Textbook of Medical Physiology, Guyton
Which hormones are secreted by your posterior pituitary gland?
Antidiauretic hormone and Oxytocin are the two hormones released by posterior Pituitary gland. A.D.H. conserve the body water by reducing amount of urine. Oxytocin increases the milk secretion and to induce delivery you put a drip of Oxytocin. It promotes uterine contractions and relaxes the cervix to hasten delivery.
How is the level of oxytocin controlled by a positive-feedback mechanism?
The oxytocin in blood stimulates the pituitary to secrete more oxytocin.
Which hormones is regulated by a positive feedback mechanism?
Best example of positive feedback is the release of oxytocin during childbirth. Oxytocin is a reproductive hormone in females. Though it is also secreted in males, its function is yet unclear. Secretion of oxytocin occurs in response to nervous stimulation of the hypothalamus. It stimulates and enhances labor contractions. During the movement of the baby towards the birth canal, messages from pressure receptors within the cervix reach the brain to produce oxytocin. Released oxytocin travels to the uterus through the bloodstream and stimulates the uterine wall muscles to contract stronger. These contractions intensify gradually and increase until the baby comes out of the birth canal.Labor contractions are stopped when the stimulus to the pressure receptors ends and when oxytocin production stops in turn. Another means of oxytocin release is during lactation where the nipple sends impulses to the hypothalamus upon suckling, leading to contraction of the myoepithelial cells and expulsion of milk under positive feedback control.
What are the function of oxytocin?
The major functions of oxytocin have to do with smooth muscle contraction.
What hormones is regulated by a neuroendocrine reflex oxytocin cortisol antidiuretic hormone?
oxytocin
