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pituitary stalk

   Also found in: Wikipedia 0.01 sec.
pituitary stalk,
a structure that connects the pituitary gland with the hypothalamus.


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pituitary stalk interruption syndrome, there is also an absence or hypoplastic infundibular stalk and adenohypophysis (14) (Figure 15).
Cells in the hypothalamus respond to low levels of thyroxine in the blood by secreting thyrotropin-releasing hormone, (TRH) into special portals (modified blood vessels) in the pituitary stalk connecting to the pituitary gland.
If pituitary stalk and hypothalamus involvement is seen on MRI scan, it is more suggestive of neurosarcoidosis than other diseases.
 
 
 
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