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What is "obturator"

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obturator
The Collaborative International Dictionary
Obturator

Obturator \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.

Obturator

Obturator \Ob"tu*ra`tor\, n. [NL., fr. L. obturare to stop up: cf. F. obturateur.]

  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.

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Wiktionary
obturator

n. 1 (context surgery English) An object used to obstruct a hole, such as a fissure of the palate. 2 (context engineering English) Valve closure member (disk, gate, plug, etc.). 3 (cx ordnance English) Any device for preventing the escape of gas through the breech mechanism of a breech-loading gun; a gas check. 4 (cx photography English) A camera shutter.

WordNet
obturator

n. a prosthesis used to close an opening (as to close an opening of the hard palate in cases of cleft palate)

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Wikipedia
Obturator

Obturator may refer to:

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Usage examples of "obturator".

In some instances among the lower classes these obturators are simple pieces of wood, so fashioned as to fit into the palatine cleft, and not infrequently the obturator has been swallowed, causing obstruction of the air-passages or occluding the esophagus.

There is one case recorded, according to Debierre, in which the uterus was one of the constituents of an obturator hernia.

The Indians advised me approximately of the depth to which the shaft had penetrated and the direction it took, and judging from the situation of the cicatrix and all the circumstances it was apparent that the arrow-head had passed through the glutei muscles and the obturator foremen and entered the cavity of the bladder, where it remained and formed the nucleus of a stone.