Category: C

Failure to cover or expose the whole area of a radiograph with the useful beam. The film is only partially exposed.  

An area of a dental radiograph that was not exposed to radiation during imaging as a result of improper aiming of the primary beam. To avoid this problem, the proper point of entry must be carefully calculated.  

One of the triangular areas of reflected light on the tympanic membrane extending downward from the umbo.  

A channel, especially one constructed surgically. A conduit refers to a channel or tube that facilitates the transportation of fluid. Surgeons may create conduits through surgical procedures to redirect the flow of bodily fluids. One commonly employed form of artificially constructed conduit is an ileal conduit, which involves utilizing a section of the small intestine…

The conducting ability of a body or a circuit for electricity. The best conductor is one that offers the least resistance such as gold, silver, or copper. When expressed as a numerical value, conductance is the reciprocal of resistance. The unit is the ohm. Electrical conductivity refers to the measure of a material’s capacity to…

A protein complex that compacts and organizes dividing chromosomes during mitosis.  

Deafness resulting from a blow to the head or ear.  

Obliteration of the pericardial space in chronic, constrictive pericarditis.  

A concretion as of protein and other substances. If infiltrated with calcium salts, it is termed a calculus.  

A device for excising the middle turbinate bone.