Medical Definition of Tractus supraopticohypophysialis

1. A bundle of unmyelinated fibres originating from all cells of the supraoptic nucleus and an estimated 20% of those of the paraventricular nucleus of the hypothalamus, which extend through the infundibulum and pituitary stalk to their endings in the posterior lobe of the hypophysis; the fibres convey neurosecretory substances, vasopressin and oxytocin, which are stored in (and can be released into the circulating blood from) their terminals. See: hypophysis, neurosecretion. Synonym: tractus supraopticohypophysialis, hypothalamohypophysial tract. (05 Mar 2000)

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Lexicographical Neighbors of Tractus Supraopticohypophysialis

tractus parietopontinus
tractus pyramidalis
tractus pyramidalis anterior
tractus pyramidalis lateralis
tractus reticulospinalis
tractus rubrospinalis
tractus solitarius
tractus spinalis nervi trigemini
tractus spinocerebellaris anterior
tractus spinocerebellaris posterior
tractus spinotectalis
tractus spinothalamicus
tractus spinothalamicus anterior
tractus spinothalamicus lateralis
tractus spiralis foraminosus
tractus supraopticohypophysialis (current term)
tractus tectobulbaris
tractus tectopontinus
tractus tectospinalis
tractus temporopontinus
tractus tuberoinfundibularis
tractus vestibulospinalis

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