Category: C
-
Catheters
A small, flexible tube that may be inserted into various parts of the body to inject or remove liquids. A piece of plastic or rubber tubing that is inserted into a vein or other hollow structure. A tube passed into the body along one of the passages in the body. A hollow, flexible tube that…
-
Catechin
Extracted from Uncaria gambier, Acacia catechu and other plants; it stabilizes collagen and is therefore used in tanning and dyeing; it prevents capillary fragility and abnormal permeability, but was formerly used as an antidiarrheal.
-
Catalytic Domain
The region of an enzyme that interacts with its substrate to cause the enzymatic reaction.
-
Carcinogens
Substances that increase the risk of neoplasms in humans or animals. Both genotoxic chemicals, which affect DNA directly, and nongenotoxic chemicals, which induce neoplasms by other mechanism, are included. A substance that can induce cancer. A substance that, when introduced in the body, causes cancer. A cancer-causing agent. A substance which causes cancer. Any substance…
-
Carcinogenic
Producing carcinoma. Agent that can causes cancer. Related to the production of cancerous changes. The property of environmental agents, including drugs, that stimulate the development of cancerous changes within cells carcinogen. Causing a carcinoma or cancer. Substance, agent, or conditions that produce malignant cells.
-
Carbon Dioxide
A colorless, odorless gas that can be formed by the body and is necessary for the respiration cycle of plants and animals. A colorless gas produced in the oxidation of carbon. It has the chemical formula C02 in very small quantities may act as a respiratory stimulant. A colourless gas produced by the body’s metabolism…
-
Carbohydrate
An aldehyde or ketone derivative of a polyhydric alcohol, particularly of the pentahydric and hexahydric alcohols. They are so named because the hydrogen and oxygen are usually in the proportion to form water, (CH2O)n. The most important carbohydrates are the starches, sugars, celluloses, and gums. They are classified into mono-, di-, tri-, poly- and heterosaccharides.…
-
Capillary fragility
The lack of resistance, or susceptibility, of capillaries to damage or disruption under conditions of increased stress. A breakdown of capillaries with hemorrhage into almost any site but most noticeably in the skin.
-
Canonical
A particular nucleotide sequence in which each position represents the base more often found when many actual sequences of a given class of genetic elements are compared.
-
Candidosis
An infection caused by an opportunistic yeasts that tends to proliferate and become pathologic when the environment is favorable and the host resistance is weakened.