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carpoptosis

(kăr″pŏp-tō′sĭs) [″ + ptosis, a falling] Wrist drop.

carpus

(kăr′pŭs) [L.] The eight bones of the wrist joint. SEE: skeleton; wrist drop.

carrageen, carragheen

(kar′ă-gēn″) [Carrageen, a village in southeast Ireland] Dried red alga, Chondrus crispus, from which carrageenan is obtained. SYN: Irish moss. SEE: carrageenan; Chondrus.

carrageenan, carrageenin

(kar″ă-gēn′ăn) [carrageen] The colloid extract from carrageen, used as a demulcent and thickening agent in medicines and foods. SYN: Irish moss. SEE: carrageen; Chondrus.

carriage

(kăr′ĭj) [Old North Fr. carier, to transport by vehicle] The harboring, holding, or transporting of a chemical, gene, infection, or other material.

carrier

(kar′ē-ĕr) [Fr. carier, to bear] 1. A person who harbors a specific pathogenic organism, has no discernible symptoms or signs of the disease, and is potentially capable of spreading the organism to others. 2. An animal, insect, or substance, e.g., food, water, feces that can transmit infectious organisms. SYN: vector. SEE: fomes; isolation; microorganism; Standard Precautions Appendix; communicable disease for table. 3. A molecule that when combined with another substance can pass through a cell membrane, as occurs in facilitated diffusion or some active transport mechanisms. 4. One who carries a recessive gene together with its normal allele; a heterozygote. 5. An instrument or apparatus for transporting something, e.g., in dentistry, an amalgam carrier.

activated c. A coenzyme.

active c. One who harbors a pathogenic organism for a clinically significant time and is able to pass the infection to others.

convalescent c. One who harbors an infective organism during recovery from the disease caused by the organism.

genetic c. One whose chromosomes contain a pathological gene that may be transmitted to offspring. In some cases, e.g., Tay-Sachs disease, this condition can be detected prenatally by a laboratory test done on amniotic fluid.

gestational c. A woman who accepts a fertilized egg from a man and woman who provide the sperm and egg. The carrier is not usually genetically related to the intended parents.

incubatory c. One who harbors and spreads an infectious organism during the incubation period of a disease before it becomes clinically evident.

infant c. Any device used to carry a newborn or young child on the chest or the back of an adult. Poor design or misuse of such devices may pose a risk of suffocation to the child.

intermittent c. One who harbors an infectious organism, e.g., methicillin-resistant Staphylococcus aureus in the nasal passages, from time to time but not continuously.

carrier-free

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