Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «C»:
Chemical menopause: Menopause induced by chemotherapy or other
chemicals or medications. ...
Chemical reaction: A process
in which one substance is transformed into another. Thousands of different types of chemical reactions occur in the body and are essential to its structure and function....
Chemical terrorism: Terrorism using chemical agents. These chemical agents are poisonous gases, liquids or solids that have toxic effects on people, animals or plants. Most chemical agents are capable of causing serious injuries or death. The severity of injuries depends on the type and amount of th...
Chemo: Slang for chemotherapy -- drug therapy for cancer.
Most anticancer drugs are given IV (into a vein) or IM (into muscle). Some anticancer agents are taken orally (by mouth). Chemotherapy is usually systemic treatment, meaning that the drugs flow through the bloodstream to nearly every part of...
Chemo-brain: See: Chemobrain....
Chemo-fog: See: Chemobrain....
Chemobrain: Cognitive dysfunction associated with chemotherapy. It is thought that chemotherapy may cause memory loss, attention loss, and other problems that make it difficult for patients to think clearly. Also known as chemo-brain, chemo-fog, and chemotherapy-related cognitive dysfunction....
Chemoembolization: Chemoembolization is a procedure in which the blood supply to a tumor is blocked and anticancer drugs are administered directly into the tumor, permitting a much higher concentration of drugs to be in contact with the tumor for a longer period of time, while depriving the tumor of...
Chemofog: See: Chemobrain....
Chemokine: One of a large group of proteins that act as lures and were first found attracting white blood cells. The chemokines are involved in a wide variety of processes including acute and chronic types of inflammation, infectious diseases, and cancer. Chemokines may lure cancer cells and help de...
Chemokine receptor: A molecule that receives a chemokine and a chemokine dock.
A chemokine is a protein that acts as a lure. Chemokines are involved in inflammation, cancer, and infectious diseases. Several chemokine receptors are essential coreceptors for HIV....
Chemokinesis : The response of a cell to a chemical that causes the cell to make some kind of change in its movement by speeding it up, slowing it down or changing its direction. The molecules that achieve these results are called chemokines....
Chemoprevention: The use of natural or laboratory-made substances to prevent a disease such as cancer. The regular use of aspirin is known to reduce the risk of the polyps from which colorectal cancer arises. This is an instance of chemoprevention.
The term chemoprevention was coined to parallel th...
Chemoprophylaxis: The use of a chemical agent to prevent the development of a disease. See: Chemoprevention....
Chemoradiotherapy: The combination of simultaneous chemotherapy and radiation therapy. Chemoradiotherapy before surgery has been found to reduce the risk of local recurrence of rectal cancer....