Category: C
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Carnophobia
An abnormal aversion to meat.
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Carnett’s sign
American physician] In evaluating a surgical abdomen, decreased abdominal tenderness to palpation after the supine patient elevates his or her head from the bed. The sign indicates that acute abdominal pain originates in the rectus muscle sheath rather than the peritoneum.
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Carnal
To the desires and appetites of the flesh; sensual.
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Carioca test
A side-shuffling, sport-specific functional test of agility and kinesthetic awareness that is used toward the end of a rehabilitation program to reintegrate athletes back into competition following lower extremity injuries. Derived from a Latin dance step, the carioca test involves the alternate stepping of one foot in front and them behind the other.
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Carina of the urethra
The ridge extending posteriorly from the urethral orifice and continuous with the anterior column of the vagina.
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Carina of the trachea
The ridge at the lower end of the trachea separating the openings of the two primary bronchi.
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Caries-detecting dyes
Any stain or fluorescent solution used to reveal demineralized dentin. When applied to teeth, they highlight areas that may need excavation. A clinical examination of the tooth for hardness may be needed to confirm suspicious regions illuminated by dyes. Some studies suggest they are overly sensitive but not specific.
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Caries activity test
Any laboratory test that measures the degree of caries activity in a dental patient. The tests may identify the number of cariogenic bacteria or the acid production from saliva samples.
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Classification of caries
Black’s classification of dental caries according to the part of the tooth involved: class I, occlusal; class II, interproximal, commonly at the dentinoenamel junction of bicuspids and molars; class III, interproximal surfaces not involving incisal surfaces; class IV, interproximal but involving an incisal surface; class V, the faciocervical area.
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Cervical caries
Caries involving the neck of the tooth, slightly above or below the junction between the root cementum and the enamel crown.