ob·tu·ra·tor /ˈɑbtjəˌretɚ/
閉塞物,閉塞具,密閉裝置
ob·tu·ra·tor /ˈɑbt(j)əˌretɚ/ 名詞
珠孔塞,充填器,充填,體窺鏡通芯,閉孔肌
Ob·tu·ra·tor n.
1. That which closes or stops an opening.
2. Surg. An apparatus designed to close an unnatural opening, as a fissure of the palate.
3. Ordnance Any device for preventing the escape of gas through the breech mechanism of a breech-loading gun; a gas check.
4. Photog. A camera shutter.
Ob·tu·ra·tor, a. Anat. Serving as an obturator; closing an opening; pertaining to, or in the region of, the obturator foramen; as, the obturator nerve.
Obturator foramen Anat., an opening situated between the public and ischial parts of the innominate bone and closed by the obturator membrane; the thyroid foramen.
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obturator
n : a prosthesis used to close an opening (as to close an
opening of the hard palate in cases of cleft palate)