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In its role as a peripheral hormone, oxytocin is released into the circulation from the posterior pituitary, enhancing uterine contractions during labor and, together with prolactin, enhancing milk release during lactation (Leng et al.
These tumors derive from specialized glial cells in the posterior pituitary gland, but by the time of detection an anterior versus posterior origin is usually not discernible or a distinguishing feature.
An ectopic posterior pituitary gland is a rare condition and may present with an empty pituitary fossa, hypoplasia or absence of the infundibular stalk and resultant short stature due to growth hormone deficiency.
3) Diseases resulting from a reduced level of pituitary hormones include diabetes insipidus (a condition in which the kidneys cannot conserve water), which is caused by a lack of antidiuretic hormone from the posterior pituitary.
In the early postoperative phase, assessing anterior and posterior pituitary dysfunction is a high priority that includes monitoring pituitary-adrenal axis, DI, SIADH, and cerebral salt waste syndrome (CSW).
3% of 88 cancer patients with hypophyseal metastasis had posterior pituitary alone or both anterior and posterior pituitary metastases and 6.
On the other hand, delayed hyponatremia is thought to occur due to uncontrolled release of ADH from degenerating posterior pituitary tissue or from ADH-containing neurons that have been injured during TSS (6).
Fisher ran the posterior pituitary laboratory and directed the Perinatal Research Laboratory, a collection of clinical and basic science investigators studying organ system development in the fetus and newborn.
She underwent a brain MRI that demonstrated increased signal in the posterior pituitary on T1-weighted imaging which was consistent with, although not necessarily pathognomonic for, a diagnosis of CDI.
Hormones of the posterior pituitary (neurohypophysis) differ from other pituitary hormones in that they do not originate in the pituitary, but are only stored there until needed.
The 54 chapters in this medical review begin with a case study of a patient and describe the physiology of the thyroid and adrenals, female and male reproduction, posterior pituitary hormones, pancreas, and gastrointestinal hormones.
Antidiuretic hormone (ADH) and oxytocin are produced in the hypothalamus and transported to the posterior pituitary for storage and later release into the general circulation.

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