Neurohypophysial disorders Flashcards
1
Q
What regulates VP release?
A
Osmoreceptors in the organum vasculosum project to the paraventricular and supraoptic nucleus
2
Q
What is the normal response to an increased serum osmolality?
A
Stimulation of osmoreceptors when water moves out and shrinks
Increased VP release
Increased water reabsorption via V2 receptors in renal collecting ducts
Reduction in serum osmolality
Reduced urine volume, more concentrated urine.