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单词 fenestra
释义 fe·nes·tra
\fə̇ˈnestrə\ noun
(plural fenes·trae \-ˌstrē, -ˌstrī\)
Etymology: New Latin, from Latin, opening in a wall for air and light, window
1. anatomy : a small opening; especially : either of two membrane-covered apertures in the bone between the middle and inner ear: (1) an oval opening between the middle ear and the vestibule having the base of the stapes or columella attached to its membrane and (2) a round opening between the middle ear and the cochlea — called also respectively (1) fenestra ova.lis \-ōˈvälə̇s, -vāl-, -val-\ or fenestra ves.ti.bu.li \-veˈstibyəˌlī\ and (2) fenestra ro.tun.da \-rōˈtəndə\ or fenestra coch.le.ae \-ˈkäklēˌē, -lēˌī\
2.
 a. : an opening like a window cut in bone (as in the inner ear in the fenestration operation)
 b. : a window cut in a surgical instrument (as an endoscope)
3.
 a. : a transparent spot (as in the wings of certain moths)
 b. : one of two pits covered with membrane on the head of certain cockroaches
 c. : the fontanel of a termite
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更新时间:2025/3/21 18:48:25