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Chemotaxis
Chemotaxis The movement of cells in response to chemical messengers. The movement of neutrophils and macrophages into damaged tissues is brought about by signals released by damaged tissues, and bacterial products. The term applies to the movement of any organism attracted by a specific chemical, which may be a suitable nutrient. RELATED TERMS-------------------------------------- Bacterial Of or pertaining to bacteria. For example, a bacterial lung infection. Organism A living thing, such as an animal, a plant, a bacterium, or a fungus. Nutrient Any chemical element, chemical compound, or combination of chemical elements and/or chemical compounds that contributes to bodily development or is necessary for life. SIMILAR TERMS-------------------------------------- Chemet Chemet is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): succimer. 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. Chemo Slang for chemotherapy -- drug therapy for cancer. 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 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 oxygen and nutrients. The procedure is used to treat cancer originating in the liver (primary liver cancer) as well as cancer that has metastasized (spread) to the liver from another area. 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 determine the sites to which cancer cells spread by metastasis. Chemokine receptor A molecule that receives a chemokine and a chemokine dock. 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 the term chemotherapy. Chemoprevention prevents and chemotherapy treats. Chemoprevention is also called chemoprophylaxis. Chemoprophylaxis Prevention of disease by the use of chemicals or drugs. 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. Chemosense The chemical sensing system. The sense of smell is part of our chemical sensing system, or the chemosenses. 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 The use of chemicals (medicines) to treat cancer. Chemotherapy, adjuvant Chemotherapy (drug therapy) that is given after tumor surgery. Chemotherapy, topical Treatment with an anticancer drug in a lotion, ointment or cream that is applied to the skin. PREVIOUS AND NEXT TERMS-------------------------------------- Cholesterol A substance similar to fat that is found in the blood, muscles, liver, brain, and other body tissues. Computer Tomography Scan A diagnostic imaging procedure that uses a combination of x-rays and computer technology to produce cross-sectional images (often called slices), both horizontally and vertically, of the body. A CT scan shows detailed images of any part of the body, including the bones, muscles, fat, and organs. CT scans are more detailed than general x-rays. CAT scan Computerized tomography diagnostic imaging procedure that uses a combination of x-rays and computer technology to produce cross-sectional images (often called slices), both horizontally and vertically, of the body. A CT scan shows detailed images of any part of the body, including the bones, muscles, fat, and organs. CT scans are more detailed than general x-rays. Corticoids Substances similar to the hormone of the adrenal glands called cortisone; corticoids are differentiated into two groups – mineralocorticoids and glucocorticoids applied both locally and systemically, mainly as anti-phlogistics, immunosuppressives, anti-asthmathics or in the treatment of an allergy. Comedone Commonly know as black heads or white heads. This is where a hair follicle becomes plugged with sebum. When the lipid or sebum is exposed to the environment it is oxidized an turns black (black heads). When the follicle is closed and not exposed to the environment they are cream colored (white heads). Chemotaxis Clindamycin Clindamycin is a semisynthetic antibiotic and derived from lincomycin by the addition of chloride. Clindamycin is sold under brand names such as Dalacin and Cleocin.Is has often been prescribed topically to treat acne. Caution: has provoked severe colitis. Cyproterone acetate Cyproterone acetate is a progestin that also blocks the effect of androgens on the skin. It is very useful for the treatment of hirsutism. A rare side effect is liver problems. Cyproterone acetate is available in oral contraceptive pills (Diane® and Dianette®) and a brand name is Androcur®. Cetrotide Cetrotide is a gonadotropin releasing hormone that helps control hormonal responses in women's body affecting the development of eggs. Cetrotide is blocking the trigger effect of GnRH. This blocking action stops the premature LH surge in women undergoing controlled ovarian stimulation before they begin. In doing so, this allows eggs to reach the level of development needed for fertilization. Cushing's disease Cushing's disease is also known as hyperadrenocorticism. It is a disease that results from an increase in corticosteroid secretion from the adrenal gland. Communicable Disease An illness due to a specific infectious agent or its toxic products that arises through transmission of that agent or its products from an infected person, animal or inanimate reservoir to a susceptible host; either directly or indirectly through an intermediate plant or animal host, vector or the inanimate environment (synonym: infectious disease). We thank you for using the Medical Glossary to search for Chemotaxis. If you have a better definition for Chemotaxis than the one presented here, please let us know by making use of the suggest a term option. This definition of Chemotaxis may be disputed by other professionals. Our attempt is to provide easy definitions on Chemotaxis and any other medical topic for the public at large.
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