Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «C»:
CML, juvenile: See:
Juvenile myelomonocytic leukemia....
CMT: Charcot-Marie-Tooth disease....
CMV (cytomegalovirus): A virus that infects 50-85% of adults in the US by age 40 and is also the virus most frequently transmitted to a child before birth. Persons with symptoms have a
mononucleosis-like syndrome with prolonged fever and mild hepatitis. Once a person becomes infected, the virus rema...
CNM: Certified Nurse-Midwife....
CNP: Copy number polymorphism....
CNPs: Copy number polymorphisms....
CNR1: Cannabinoid receptor 1....
CNR2: Cannabinoid receptor 2....
CNS (central nervous system)
CNS (central nervous system): That part of the nervous system that consists of the brain and spinal cord.
The central nervous system (CNS) is one of the two major divisions
of the nervous system. The other is the peripheral nervous system
(PNS), that part of the nervous system that lies outside t...
CNS prophylaxis: Chemotherapy or radiation therapy to the central
nervous system (CNS). This is preventative treatment. It is given to kill cancer cells
that may be in the brain and spinal cord, even though no cancer has been detected there. ...
Co-morbid: Pertaining to two or more disorders simultaneously....
Co-payment: A payment made by an individual who has
health insurance, usually at the time a service is received, to
offset some of the cost of care. Co-payments are a common feature of
HMO (Health Maintenance Organization) and PPO (Preferred Provider
Organization) health plans in the US. Co-paym...
Co-stimulation: An event in the immune system involving the delivery of a second signal by an antigen-presenting cell. The second signal rescues the activated T cell from anergy (which is a state of immune unresponsiveness), allowing the T cell to produce the lymphokines necessary for the growth of ...
Coagulation: In medicine, the clotting of blood.
The process by which the blood clots to form solid masses, or clots.
More than 30 types of cells and substances in blood affect clotting. The process is initiated by blood platelets. Platelets produce a substance that combines with calcium ions in t...
Coagulation, laser: The coagulation (clotting) of tissue using a laser. A coagulation laser produces light in the visible green wavelength that is selectively absorbed by hemoglobin, the pigment in red blood cells, in order to seal off bleeding blood vessels.
There is also, for example, electrocoag...