silver cone

cone

[kōn] 1. a solid figure or body having a circular base and tapering to a point.2. one of the conelike structures which, with the rods" >rods, form the light-sensitive elements of the retina; the cones make possible the perception of color. See also eye" >eye and vision" >vision. Called also retinal cone.3. in radiology, a conical or open-ended cylindrical structure formerly used as an aid in centering the radiation beam and as a guide to source-to-film distance. Cones were commonly attached to the x-ray tube prior to the use of the collimator.4. in therapy" >root canal therapy, a solid substance with a tapered form, usually made of gutta-percha or silver, fashioned to conform to the shape of a root canal.ether cone a cone-shaped device used over the face in administration of ether for anesthesia.gutta-percha cone in therapy" >root canal therapy, a plastic radiopaque cone made from gutta-percha and other ingredients, available in standard sizes according to the dimensions of root canal reamers and files; used to fill and seal the canal along with sealer cements. Called also gutta-percha point.cone of light the triangular reflection of light seen on the tympanic membrane.pressure cone the area of compression exerted by a mass in the brain, as in transtentorial herniation.retinal cone cone (def. 2).silver cone silver point.

sil·ver cone

(sil'vĕr), pure silver cone with standard conic shape, used with cement to obturate dental root canals.

sil·ver cone

(silvĕr kōn) Pure silver form with standard conic shape, used with cement to obturate dental root canals.

单词	silver cone
释义	DictionarySeecone silver cone cone [kōn] 1. a solid figure or body having a circular base and tapering to a point.2. one of the conelike structures which, with the rods" >rods, form the light-sensitive elements of the retina; the cones make possible the perception of color. See also eye" >eye and vision" >vision. Called also retinal cone.3. in radiology, a conical or open-ended cylindrical structure formerly used as an aid in centering the radiation beam and as a guide to source-to-film distance. Cones were commonly attached to the x-ray tube prior to the use of the collimator.4. in therapy" >root canal therapy, a solid substance with a tapered form, usually made of gutta-percha or silver, fashioned to conform to the shape of a root canal.ether cone a cone-shaped device used over the face in administration of ether for anesthesia.gutta-percha cone in therapy" >root canal therapy, a plastic radiopaque cone made from gutta-percha and other ingredients, available in standard sizes according to the dimensions of root canal reamers and files; used to fill and seal the canal along with sealer cements. Called also gutta-percha point.cone of light the triangular reflection of light seen on the tympanic membrane.pressure cone the area of compression exerted by a mass in the brain, as in transtentorial herniation.retinal cone cone (def. 2).silver cone silver point. sil·ver cone (sil'vĕr), pure silver cone with standard conic shape, used with cement to obturate dental root canals. sil·ver cone (silvĕr kōn) Pure silver form with standard conic shape, used with cement to obturate dental root canals.
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