tectobulbar

tectobulbar
tec·to·bul·bar .tek-tō-'bəl-bər adj of, relating to, or being a tract of nerve fibers that originate in the superior colliculus, descend with the tectospinal tract, and terminate in a fasciculus at the level of the medulla oblongata

Medical dictionary. 2011.

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  • tectobulbar tract — tractus tectobulbaris …   Medical dictionary

  • 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

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  • colliculus — A small elevation above the surrounding parts. [L. mound, dim. of collis, hill] c. of arytenoid cartilage [TA] the elevation on the anterolateral surface of the arytenoid cartilage above the triangular fovea. SYN: c. cartilaginis arytenoideae… …   Medical dictionary

  • decussation — SYN: decussatio. [L. decussatio] anterior tegmental d. [TA] See tegmental decussations (2). d. of brachia conjunctiva SYN: d. of superior cerebellar peduncles. dorsal tegmental d …   Medical dictionary

  • layer — A sheet of one substance lying on another and distinguished from it by a difference in texture or color or by not being continuous with it. SEE ALSO: stratum, lamina. SYN: panniculus. ameloblastic l. the internal l. of the enamel organ. SYN: enam …   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

  • Menace reflex — The menace reflex is one of three forms of blink reflex. It is the reflex blinking that occurs in response to the rapid approach of an object.[1] The reflex comprises blinking of the eyelids, in order to protect the eyes from potential damage,… …   Wikipedia

  • decussatio tegmentalis posterior — [TA] posterior tegmental decussation: fibers originating in the quadrigeminal bodies, crossing the midline in superior portions of the midbrain tegmentum, and forming the tectobulbar and tectospinal tracts …   Medical dictionary

  • tractus tectobulbaris — [TA] tectobulbar tract: a bundle of fibers arising mostly in the superior colliculus; it descends to the lower border of the pons where it ends in the nuclei of the brainstem and in the reticular formation …   Medical dictionary

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