Category: C
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Cakra
An energy centre linking the physical and astral realms. Also related with the plexuses from which nerve fibres spread throughout the body. A Sanskrit term that literally means “wheel “or “disk.” In Kundalini and Tantric yoga, the chakras are seven energy centers running parallel to the spine that influence the conscious state of the body…
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Cytoreduction
A decrease in the number of cells (such as in a tumor). Cellular killing, usually of cancerous cell clones, with chemotherapy.
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Cytology, cytologic
The scientific study of cells. The scientific study of the origin, structure, and functions of cells. The study of the structure and function of cells.
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Cul-de-sac
An area at the end of the abdominal cavity that is midway between the rectum and the uterus. The blind alley ending of the vagina just beyond the opening to the uterus.
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Cryptorchidism
Failure of one or both testicles to descend into the scrotum. Undescended testicle. A condition in a young male in which the testicles do not move down into the scrotum. One or both testes do not descend from the abdominal cavity at birth. If undescended the male could be infertile. Failure of one or both…
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Cryoablation
The removal of tissue by destroying it with extreme cold. A method employed to eliminate tissue by subjecting it to extremely low temperatures, thereby causing its destruction, is known as cryotherapy.
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Crede maneuver (method)
Manual external compression of the bladder to aid in expulsion of urine. A method of extracting a placenta by massaging the uterus through the abdomen. The putting of silver nitrate solution into the eyes of a baby born to a mother who has gonorrhoea, in order to prevent gonococcal conjunctivitis [Described 1860. After Karl Sigmund…
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Corneal ulcer
Ulcerative keratitis. Chronic arterial infection and sloughing off of necrotic tissue. An open sore on the transparent outer covering of the eye (cornea). Signs and symptoms include impaired vision, severe pain, redness, a visible white patch on the cornea, sensitivity to light, and increased tearing. Corneal ulcers usually arise from infection by bacteria, often through…
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Controlled drug
A drug regulated by the Federal Controlled Substance Act. A drug which is not freely available, which is restricted by law and classified as A, B, or C and of which possession may be an offence. In the United Kingdom, controlled drugs are those preparations referred to under the Misuse of Drugs Act 1971. The…
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Continuous positive airway pressure
A form of respiratory therapy in which ventilation is assisted by a flow of oxygen delivered at a constant pressure throughout the respiratory cycle. A method of keeping the airway open using increased air pressure delivered by a nasal or face mask to treat obstructive sleep apnea, acute pulmonary edema, and congestive heart failure. A…