| Caldwell-Luc operation |
1. antrostomy in which an opening is made into the maxillary sinus by way of an incision into the supradental fossa opposite the premolar teeth, usually done to remove tooth roots or abnormal tissue from the sinus. 2. in compound zygomaticomaxillary fractures, the packing of the maxillary sinus by approaching the antrum through the canine fossa of the maxilla above the tooth apices, thus allowing reduction of displaced fragments of the zygoma by upward and outward pressure. Called also Luc's o.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| calcareous cataract |
dystrophic calcium salt deposits in the subcapsular and cortical areas of the lens.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| calcifying odontogenic cyst |
a slow-growing benign neoplasm either in the mandible or in the gingiva, varying from solid to soft and cystlike; the center contains a layer resembling stellate reticulum, with ghost cells, some of which have dystrophic calcification. Called also Gorlin's c.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| calcium channel |
a slow voltage-gated protein channel very permeable to calcium ions and slightly permeable to sodium ions, existing in three subtypes designated L, M, and N and located throughout the body; calcium channels are the main cause of action potentials in certain smooth muscles, and the N channels regulate neurotransmitter release.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| calcium infiltration |
a deposit of calcium salts within the tissues of the body.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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