- nucleus of origin
- nucleus of origin n a group of cell bodies in the brain from which nerve fibers of a cranial nerve arise or at which they terminate compare SUPERFICIAL ORIGIN
Medical dictionary. 2011.
nucleus of origin
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nucleus ambiguus — nucleus am·big·u·us am big yə wəs n an elongated nucleus in the medulla oblongata that is a continuation of a group of cells in the ventral horn of the spinal cord and gives rise to the motor fibers of the glossopharyngeal, vagus, and accessory… … Medical dictionary
nucleus nervi abducentis — [TA] nucleus of abducens nerve: the nucleus of origin of the abducens nerve; it lies in the lower part of the pons internal to the facial colliculus in the floor of the fourth ventricle; fibers from the facial nucleus form a caudal to rostral… … Medical dictionary
nucleus nervi facialis — [TA] nucleus of facial nerve: the nucleus of origin of the motor fibers of the facial nerve, which innervate the muscles of facial expression; the nucleus lies in the ventrolateral part of the lower pons, and its emerging fibers form a caudal to… … Medical dictionary
nucleus motorius nervi trigemini — [TA] motor nucleus of trigeminal nerve: the nucleus of origin of the motor fibers of the trigeminal nerve, located in the dorsolateral part of the pons, just medial to the principal sensory nucleus and the entering sensory root … Medical dictionary
nucleus nervi trochlearis — [TA] nucleus of trochlear nerve: the nucleus of origin of the motor fibers of the trochlear nerve; it lies in the central gray matter on the dorsal surface of the medial longitudinal fasciculus in the lower part of the mesencephalon. Called also… … Medical dictionary
nucleus posterior nervi vagi — [TA] posterior nucleus of vagus nerve: the nucleus of origin of the parasympathetic fibers of the vagus nerve, situated in the trigone of the vagus nerve in the floor of the fourth ventricle, lateral to the nucleus of the hypoglossal nerve;… … Medical dictionary
nucleus nervi hypoglossi — [TA] nucleus of hypoglossal nerve: the nucleus of origin of the hypoglossal nerve, forming a column in the central gray matter internal to the hypoglossal trigone from below the level of the inferior olive to the upper part of the medulla… … Medical dictionary
nucleus originis — [TA] nucleus of origin: any of the groups of nerve cells in the central nervous system from which arise the motor, or efferent, fibers of the cranial nerves … Medical dictionary
Nucleus Torn — band photo Background information Origin Switzerland Genres … Wikipedia
origin — [n1] cause, basis agent, ancestor, ancestry, antecedent, author, base, causality, causation, connection, creator, derivation, determinant, egg*, element, embryo, fountain, generator, germ, horse’s mouth*, impulse, inception, inducement, influence … New thesaurus
