Category: C
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Clonicity
The condition of being clonic.
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Clonal restriction
The occurrence of the same characteristics as the parent cell in all clones (offspring) of one B or T lymphocyte. For example, surface receptors are identical, so clones react to the same group of specific antigens as the parent cell does.
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Clo
A unit for thermal insulation of clothing. It is the amount of insulation necessary to maintain comfort in a sitting resting subject in a normally ventilated room (air movement at the rate of 10 cm/sec) at a temperature of 70°F (21°C) with relative humidity of less than 50%.
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Clitoromegaly
This may be caused by an endocrine disease or by use of anabolic steroids.
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Clitorism
The counterpart of priapism; a long-continued, painful condition with recurring erection of the clitoris.
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Clitoridotomy
Incision of the clitoris; female circumcision.
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Clithrophobia
A morbid fear of being locked in.
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Clinicopathoiogical conference
A teaching conference in which clinical findings are presented to a physician previously unfamiliar with a case, who then attempts to diagnose the disease that would explain the clinical findings. The exact diagnosis is then presented by the pathologist, who has either examined the tissue removed at surgery or has performed the autopsy.
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Clinicopathoiogical
Concerning clinical and pathological disease manifestations.
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Clinical target volume
In radiation therapy the grossly detectable tumor volume plus any microscopic tumor that extends outward from the grossly involved margins. The objective in radiation oncology is to treat the visible tumor and the surrounding margins adequately to destroy as many malignant cells as possible.