Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «C»:
Chemosense: The chemical sensing system. The sense of smell is part of our chemical sensing system, or the chemosenses....
Chemosensory: Pertaining to the sensing of chemicals, as by olfaction (the sense of smell). Diabetes and Parkinson's disease are among the diseases accompanied or signaled by chemosensory problems such as smell disorders....
Chemosis: Swelling around the iris (the colored circle that surrounds the pupil) due to edema (swelling) of the bulbar conjunctiva (the clear membrane that coats the outer surface of the eye)....
Chemotherapy: 1. In the original sense, a chemical that binds to and specifically kills microbes or tumor cells. The term chemotherapy was coined in this regard by Paul Ehrlich (1854-1915).
2. In oncology, drug therapy for cancer. Also called "chemo" for short.
Most cancer chemotherapeutic drugs a...
Chemotherapy, adjuvant: Chemotherapy (drug therapy) that is given after tumor surgery.
The idea underpinning adjuvant chemotherapy is that the toxic drugs are more effective after the main tumor has been removed and any cancer that remains is in very small amounts (microscopic metastases).
Chemotherapy, topical: Treatment with an anticancer drug in a lotion, ointment or cream that is applied to the skin....
Chemotherapy-related cognitive dysfunction
Chemotherapy-related cognitive dysfunction: See: Chemobrain....
Chen, Zhong Wei
Chen, Zhong Wei: (1929-2004) Chinese surgeon considered the "father of replantation." Dr. Chen was the first to reattach a severed hand with success which he did in 1963....
Cherubism: A genetic disorder of childhood that leads to prominence of the lower face and an appearance reminiscent of the cherubs portrayed in Renaissance art.
Cherubism is due to a problem in bone formation that is largely limited to the upper and lower jaws (the maxilla and mandible) with loss of...
Chest: The area of the body located between
the neck and the abdomen. The chest contains the lungs, the heart and part of the aorta. The walls of the chest are supported by the dorsal vertebrae, the ribs, and the sternum.
The chest is also called the thorax....
Chest cold: A nonmedical term used to refer to symptoms often accompanying a
viral infection that involves the chest. Chest colds can lead to cough (a cough
that causes sputum production).
These symptoms are actually characteristic of bronchitis (inflammation of the
airways to the lungs with in...
Chest film: Most common X-ray used to detect
abnormalities in or within the thoracic cage, such as the lungs, heart, aorta, and the
bones of the chest. Extra metallic objects, such as jewelry are removed from the chest and
neck areas for a chest x-ray to avoid interference with x-ray penetration and...
Chest pain: There are many causes of chest pain. One is
angina which results from inadequate oxygen supply to the heart muscle. Angina can be caused by coronary artery disease or spasm of the coronary arteries. Chest pain can also be due to a heart attack (coronary occlusion) and other important di...
Chest X-ray: Commonly used to detect abnormalities in
the lungs, but can also detect abnormalities in the heart, aorta, and the bones of the
thoracic area. Metallic objects, such as jewelry are removed from the chest and neck areas
for a chest x-ray to avoid interference with x-ray penetration and i...
Chewing tobacco: Tobacco that is chewed, not smoked. A form of smokeless tobacco.
Chewing tobacco and snuff are the two main forms of smokeless tobacco in use in the United States. The prototypes of the person chewing tobacco were the baseball player (or coach) and the cowboy with a chew of tobacco...