tuberoinfundibular pathway
A dopaminergic neural pathway connecting the hypothalamus to the pituitary gland, primarily involved in prolactin regulation.
Full Definition
The tuberoinfundibular pathway is one of the four major dopaminergic pathways in the brain, consisting of dopamine neurons that project from the arcuate nucleus of the hypothalamus to the median eminence and pituitary gland. This pathway is crucial for the regulation of prolactin secretion from anterior pituitary lactotrophs through tonic dopaminergic inhibition. Disruption of this pathway can lead to hyperprolactinemia and associated clinical manifestations. The pathway is also involved in the regulation of growth hormone release and plays a role in various neuroendocrine functions.
Usage
Usage note: May be abbreviated as TIDA; ensure proper distinction from other dopaminergic pathways in neurological contexts.
In Context
- "Antipsychotic medications can disrupt the tuberoinfundibular pathway, leading to drug-induced hyperprolactinemia." — Pharmacology review
- "The tuberoinfundibular pathway showed reduced dopamine release in the patient with prolactinoma." — Case study