tectospinal

Denoting nerve fibers passing from the mesencephalic tectum to the spinal cord.

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tec·to·spi·nal .tek-tō-'spīn-əl adj of, relating to, or being a tract of myelinated nerve fibers that mediate various visual and auditory reflexes and that originate in the superior colliculus, cross to the opposite side, and descend in the anterior funiculus of the spinal cord to terminate in the ventral horn of gray matter in the cervical region of the spinal cord <\tectospinal pathways>

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tec·to·spi·nal (tek″to-spiґnəl) extending from the tectum mesencephali to the spinal cord; see also under tract.

Medical dictionary. 2011.

Look at other dictionaries:

  • tectospinal — tec·to·spinal …   English syllables

  • tectospinal — |tek(ˌ)tō+ adjective Etymology: New Latin tectum + English o + spinal : extending from the tectum of the midbrain to the spinal cord used especially of a tract of nerve fibers connecting these parts …   Useful english dictionary

  • Tectospinal tract — Diagram showing possible connection of long descending fibers from higher centers with the motor cells of the ventral column through association fibers. ( Tectospinal fasciculus labeled at center right.) …   Wikipedia

  • tectospinal tract — a tract that conveys nerve impulses from the midbrain, across the midline as it descends, to the spinal cord in the cervical (neck) region. It contains important motor neurone. * * * tractus tectospinalis …   Medical dictionary

  • tectospinal decussation — decussatio tegmentalis posterior …   Medical dictionary

  • tectospinal tract — a tract that conveys nerve impulses from the midbrain, across the midline as it descends, to the spinal cord in the cervical (neck) region. It contains important motor neurones …   The new mediacal dictionary

  • Тракт Тектоспинальный (Tectospinal Tract) — нисходящий экстрапирамидный путь, связывающий четверохолмие со спинным мозгом; передаст влияние подкорковых центров зрения и слуха на тонус скелетной мускулатуры и защитные рефлексы. Источник: Медицинский словарь …   Медицинские термины

  • ТРАКТ ТЕКТОСПИНАЛЬНЫЙ — (tectospinal tract) нисходящий экстрапирамидный путь, связывающий четверохолмие со спинным мозгом; передаст влияние подкорковых центров зрения и слуха на тонус скелетной мускулатуры и защитные рефлексы …   Толковый словарь по медицине

  • 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

  • Spinal cord — Latin medulla spinalis The spinal cord nested in the vertebral column …   Wikipedia

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