释义 |
vestibular, a.|vɛˈstɪbjʊlə(r)| [f. next + -ar1. Cf. obs. F. vestibulaire.] Of or pertaining to, of the nature of, resembling or serving as, a vestibule: a. Anat. (Cf. vestibule n. 2); spec. of or pertaining to the vestibule of the ear or its function as an organ of equilibrium.
1836–9Todd's Cycl. Anat. II. 537/1 The vestibular part of the membraneous labyrinth..is all that is really fundamental in the structure of an organ of hearing. 1851Woodward Mollusca i. (1856) 23 As in the vestibular cavities of fishes. 1872Huxley Phys. viii. 211 The vestibular nerve tells us that sounds are weak or loud, but gives no impression of tone or melody or harmony. 1899Allbutt's Syst. Med. VII. 580 The vestibular termination of the auditory nerve. 1902D. J. Cunningham Text-bk. Anat. 482 Its fibres..end in the nucleus of Deiters, the chief vestibular nucleus. 1923Physiol. Rev. III. 209 (heading) The function of the vestibular apparatus. 1948A. Brodal Neurol. Anat. vii. 213 The parts of the labyrinth generally assumed to be concerned with vestibular function..are..the saccule and the utricle, and the three semicircular canals. 1956A. C. Guyton Textbk. Med. Physiol. xlvi. 575/1 Equilibrium is controlled especially by the vestibular apparatus. 1962V. Grissom in Into Orbit 80 The doctors call this sensation ‘vestibular nystagmus’, and it is an uncontrollable movement of the eyeballs which occurs when the balance mechanism in your body gets all messed up from the twisting and tumbling. 1983Oxf. Textbk. Med. II. xxv. 29/2 Either the cochlear or the vestibular fibres of the eighth nerve may be damaged within the brainstem, although vestibular symptoms are appreciably more common from this cause. b. In general use.
1861A. Beresford-Hope Eng. Cathedr. 19th C. 158 The outer world was fenced off by the interposed atrium or vestibular cloister. c. Zool. (See quot.)
1887Sollas in Encycl. Brit. XXII. 416/1 This pseudo⁓stomosis is due to a folding of the entire sponge, so as to produce secondary canals or cavities, which may be incurrent (vestibular) or excurrent (cloacal). So veˈstibulary a. rare.
1843in F. H. Ramadge Curab. Consumption (1850) 37 The..morbid conditions of this vestibulary portion of the respiratory apparatus. |