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Brain: Pituitary stalk
Pituitary stalk not labeled, but is the vertical blue portion.
[[Image:|250px|center|]]
Latin	infundibulum neurohypophyseos
Gray's	subject #189 813
Part of
Components
Artery
Vein
BrainInfo/UW	hier-388
MeSH	A06.407.747

Also see infundibulum for other uses of the term.

The pituitary stalk (also known as the infundibular stalk or simply the infundibulum) is the connection between the hypothalamus and the posterior pituitary.

It carries axons from the magnocellular neurosecretory cells of the hypothalamus down to the posterior pituitary where they release their hormones into the blood.

This connection is called the hypothalamic-hypophyseal tract, and is responsible for the release of oxytocin and antidiuretic hormone.

Additional imagesEdit

The sinuses at the base of the skull.

Median sagittal section of brain. The relations of the pia mater are indicated by the red color.

Drawing of a cast of the ventricular cavities, viewed from the side.

The hypophysis cerebri in position. Shown in sagittal section.

Vertical sections of the heads of early embryos of the rabbit. Magnified.

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External linksEdit

• Dictionary at eMedicine Pituitary+stalk