Posterior Lobe of the Pituitary (Physiology) | Sketchy Medical

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Welcome back to the yHPA Gym, where we’re working out the details of the posterior lobe of the pituitary gland while joining a hypocise class at the back of the gym. Unlike the anterior lobe, the posterior lobe stores and releases two hormones produced by the hypothalamus: ADH and oxytocin. We’ll delve into how ADH regulates fluid balance by increasing water reabsorption in the kidneys, and how it can also cause vasoconstriction during severe hypovolemia. We’ll then cover oxytocin’s role in uterine contractions during labor and milk ejection during breastfeeding, highlighting its unique positive feedback loop that intensifies contractions until childbirth.
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Medical disclaimer: Sketchy Group LLC does not provide medical advice. Sketchy Group LLC and the content available on Sketchy Group’s properties (Sketchy.com, YouTube, and other channels) do not provide a diagnosis or other recommendation for treatment and are not a substitute for the professional judgment of a healthcare professional in diagnosis and treatment of any person or animal. The determination of the need for medical services and the types of healthcare to be provided to a patient are decisions that should be made only by a physician or other licensed health care provider. Always seek the advice of a physician or other qualified healthcare provider with any questions you have regarding a medical condition.