supraopticohypophysial tract
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tract — An elongated area, e.g., path, track, way. SEE ALSO: fascicle. SYN: tractus. [L. tractus, a drawing out] alimentary t. SYN: digestive t.. anterior corticospinal t. uncrossed fibers forming a small bundle in the anterior funiculus of the … Medical dictionary
Nucleus — 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells. * * * 1. In cytology, typically a rounded or oval mass of protoplasm within the cytoplasm of a plant or animal cell; it is surrounded by a… … Medical dictionary
tractus — SYN: tract. [L. a drawing, drawing out, extent, tract, fr. traho, pp. t., to draw] t. anterolaterales SYN: anterolateral system. t. bulboreticulospinalis [TA] SYN: bulboreticulospinal tract. t. caeruleospinalis [TA] SYN: caerulospinal tract. t.… … Medical dictionary
tractus supraopticohypophysialis — [TA] supraopticohypophysial tract: the group of fibers of the hypothalamicohypophysial tract arising in the supraoptic nucleus; some of the fibers descend to end in the infundibulum and others reach the neurohypophysis (posterior pituitary),… … Medical dictionary
fibrae supraopticae — fibrae supraopticohypophysiales [TA] supraoptic fibers: the efferent fiber components of the hypothalamicohypophysial tract that arise in the supraoptic nucleus and form the supraopticohypophysial tract … Medical dictionary
nucleus supraopticus — [TA] supraoptic nucleus: a sharply defined nucleus of nerve cells in the anterior hypothalamic region, immediately above the lateral part of the optic chiasm; many of its cells are neurosecretory in function, secreting vasopressin, which is… … Medical dictionary
