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Infundibular Stalk
Nervous System

Infundibular Stalk

Infundibulum neurohypophyseos

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Pituitary Stalk

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Pituitary stalk interruption syndrome (PSIS) is a distinct developmental defect of the pituitary gland identified by magnetic resonance imaging and characterized by a thin, interrupted, attenuated or absent pituitary stalk, hypoplasia or aplasia of the adenohypophysis, and an ectopic posterior pituitary.

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