| 单词 | meatus |
| 释义 | ‖ meatus|miːˈeɪtəs|
Pl. meatus |miːˈeɪtjuːs|, meatuses.
[L. meātus (u-stem), f. meāre to flow, run.]
†1. A natural channel or tubular passage. Obs.
1665Sir T. Herbert Trav. (1677) 187 This Caspian hath some secret meatus or intercourse with some Sea. 1675Evelyn Terra (1776) 34 Clay is of all others a curst Stepdame to almost all vegetation as having few or no Meatus's for the percolation of the alimental showers or expansion of the roots. 1698E. Lhuyd in Ray's Disc. (1713) 190 The Chinks and other Meatus's of the Earth.
2. spec. in Anat.
†a. = pore (obs.).
b. With qualifying word expressed or understood, applied to certain passages in the body.
auditory meatus (L. m. auditorius): the channel of the ear. nasal meatus or olfactory meatus: the passage of the nose. urinary meatus: the external orifice of the urethra.
1665Glanvill Scepsis Sci. iv. §3. 18 The meatus, or passages, through which those subtill emissaries are conveyed to the respective members. 1708Kersey, Meatus, a Movement, or Course, a Passage, or Way; also the Pores of the Body. 1800Sir A. Cooper in Phil. Trans. XC. 152 A membrane which has been generally considered, from its situation in the meatus..as essentially necessary to the sense of hearing. 1878Holden Hum. Osteol. 132 The three ‘meatus’ or passages of the nose. 1899Allbutt's Syst. Med. VII. 540 Over the vertex [of the head] from meatus to meatus measures 153/4 in. |
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