| 释义 |
DictionarySeenucleushypoglossal nucleus
hypoglossal nucleus[¦hī·pə¦gläs·əl ′nü·klē·əs] (neuroscience) A long nerve nucleus throughout most of the length of the medulla oblongata; cells give rise to the hypoglossal nerve fibers. hypoglossal nucleus
hy·po·glos·sal nu·cle·usthe motor nucleus innervating the intrinsic and four of the five extrinsic muscles of the tongue; it is located in the medulla oblongata near the midline, immediately beneath the floor of the inferior recess of the rhomboid fossa. Synonym(s): nucleus nervi hypoglossi [TA], nucleus of hypoglossal nerve [TA]hy·po·glos·sal nu·cle·us (hī'pō-glos'ăl nū'klē-ŭs) The motor nucleus innervating the intrinsic and four of the five extrinsic muscles of the tongue; it is located in the medulla oblongata near the midline, immediately beneath the floor of the inferior recess of the rhomboid fossa. hypoglossal nucleusA nucleus of the somatic motor column, found near the midline in the caudal hindbrain. It innervates all the muscles in the tongue and is the origin of the hypoglossal nerve (CN XII) See also: nucleus |