hypothalamohypophysial tract - ορισμός. Τι είναι το hypothalamohypophysial tract
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Τι (ποιος) είναι hypothalamohypophysial tract - ορισμός

ANATOMICAL STRUCTURE
Infundibular stalk; Infundibular recess; Recessus infundibuli; Hypophysial stalk; Stalk effect; Pituitary stalk compression; Pituitary stalk compression syndrome; Hypothalamohypophyseal tract; Hypothalamo-hypophyseal tract; Hypothalamohypophysial tract; Hypothalamo-hypophysial tract; Hypothalamo-neurohypophyseal tract; Pituitary stalks
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Pituitary stalk         
The pituitary stalk (also known as the infundibular stalk, Fenderson's funnel, or simply the infundibulum) is the connection between the hypothalamus and the posterior pituitary. The floor of the third ventricle is prolonged downward as a funnel-shaped recess—the infundibular recess—into the infundibulum, where the apex of the pituitary is attached.
Dorsal trigeminal tract         
Dorsal Trigeminothalamic Tract; Dorsal trigeminothalamic tract
The dorsal trigeminal tract, dorsal trigeminothalamic tract, or posterior trigeminothalamic tract, is composed of second-order neuronal axons. These fibers carry sensory information about discriminative touch and conscious proprioception in the oral cavity from the principal (chief sensory) nucleus of the trigeminal nerve to the ventral posteromedial (VPM) nucleus of the thalamus.
Corticobulbar tract         
TWO-NEURON WHITE MATTER MOTOR PATHWAY
Cortico-bulbar tract; Corticobulbar fibre; Corticobulbar fiber; Corticonuclear tract; Corticobulbar axons; Corticobulbar; Corticobulbar pathway; Tractus corticonuclearis; Tractus corticobulbaris
In neuroanatomy, the corticobulbar (or corticonuclear) tract is a two-neuron white matter motor pathway connecting the motor cortex in the cerebral cortex to the medullary pyramids, which are part of the brainstem's medulla oblongata (also called "bulbar") region, and are primarily involved in carrying the motor function of the non-oculomotor cranial nerves. The corticobulbar tract is one of the pyramidal tracts, the other being the corticospinal tract.

Βικιπαίδεια

Pituitary stalk

The pituitary stalk (also known as the infundibular stalk, Fenderson's funnel, or simply the infundibulum) is the connection between the hypothalamus and the posterior pituitary. The floor of the third ventricle is prolonged downward as a funnel-shaped recess—the infundibular recess—into the infundibulum, where the apex of the pituitary is attached. It passes through the dura mater of the diaphragma sellae as it carries axons from the magnocellular neurosecretory cells of the hypothalamus down to the posterior pituitary where they release their neurohypophysial hormones, oxytocin and vasopressin, into the blood.

This connection is called the hypothalamo-hypophyseal tract or hypothalamo-neurohypophyseal tract.

Damage to the pituitary stalk blocks the release of antidiuretic hormone, resulting in polydipsia (excessive water intake) and polyuria (excessive urination).

The diameter of the pituitary stalk at the level of optic chiasm is 3.3 mm, and at the pituitary gland insertion site is measured at 1.9 mm.