Category: Ci-Co

  • Clostridium

    A group of anaerobic bacteria (bacteria that thrive in the absence of oxygen). There are 100+ species of Clostridium. They include, for examples, Clostridium difficile, Clostridium perfringens (also called Clostridium welchii), and Clostridium botulinum. Clostridium difficile is one of the most common causes of infection of the large bowel (the colon) in the US affecting millions of people yearly. Patients taking…

  • Clitoris

    A small mass of erectile tissue in the female that is situated at the anterior apex of the vulva, near the meeting of the labia majora (vulvar lips). Like the penis, the clitoris is highly sensitive to stimulation during sex. The clitoris corresponds to the penis in the male.

  • Clitorectomy

    A surgical procedure in which all or part of the clitoris and sometimes also the labia are removed. Clitorectomy is a form of female circumcision (female genital mutilation). Also called clitoridectomy or clitoral amputation.

  • Clitoral

    Pertaining to the clitoris, the small elongated erectile body in the female homologous with the penis in the male.

  • CLIP

    A device used to hold something or things together. For example, a surgical clip may be used to prevent a blood vessel from bleeding into the brain, or in a vasectomy to pinch together the sides of the vas deferens.

  • Clinophobia

    An abnormal and persistent fear of going to bed. Sufferers from clinophobia experience anxiety even though they realize that going to bed normally should not threaten their well-being. However, because they worry about having nightmares or wetting the bed, they often remain awake and develop insomnia. Insomnia then can become a real threat to their well-being. “Clinophobia”…

  • Clinical trials

    Trials to evaluate the effectiveness and safety of medications or medical devices by monitoring their effects on large groups of people. Clinical research trials may be conducted by government health agencies such as NIH, researchers affiliated with a hospital or university medical program, independent researchers, or private industry. Usually volunteers are recruited, although in some…

  • Clinical trial

    A study that is intended to evaluate the safety and effectiveness of medications or medical devices by monitoring their effects on large groups of people. Studies may be conducted by government health agencies (such as the National Institutes of Health [NIH]), researchers affiliated with hospital or university medical programs, independent researchers, or individuals from private industry. Usually…

  • Clinical disease

    A disease that has recognizable clinical signs and symptoms, as distinct from a subclinical illness, which lacks detectable signs and symptoms. Diabetes, for example, can be a subclinical disease for some years before becoming a clinical disease.

  • Clinical

    1. Having to do with the examination and treatment of patients. 2. Applicable to patients. For example, a laboratory test may be of clinical value. The term comes through the French “clinique” from the Greek “kline” (a couch or bed).