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center of excellence

An educational or health care institution recognized for its superiority in education, patient care, and/or research.

Center for Drug Evaluation and Research

ABBR: CDER. A division of the U.S. Food and Drug Administration that reviews and oversees the manufacture of pharmaceuticals distributed to U.S. citizens and provides clinical information about the uses and hazards of drugs. Website:


1. In meditating, an attempt to attain a state of self-awareness, relaxation, and psychological balance. 2. In bodywork, focusing of the mind of the practitioner before beginning a therapeutic session with a patient.

Centers for Disease Control and Prevention

ABBR: CDC. A division of the U.S. Department of Health and Human Services that is headquartered in Atlanta, Georgia, and investigates and controls various diseases, esp. those that have epidemic potential. The agency is also responsible for national programs to improve laboratory conditions and encourage health and safety in the workplace.

Centers for Education and Research on Therapeutics

ABBR: CERT. A division of the Agency for Healthcare Research and Quality that directs efforts toward improving patient outcomes by reducing the incidence of medical errors. The program focuses on supporting research and disseminating current information about the appropriate use of therapeutic agents. SEE: Agency for Healthcare Research and Quality.

Centers for Medicare and Medicaid Services

ABBR: CMS. The U.S. government agency that administers three health-related programs: Medicare, Medicaid, and the Children’s Health Insurance Program. SEE: Ambulatory Payment Classification. Website:


(sen-tē′sĭs) [Gr. kentēsis, puncture] Puncture of a cavity.

centi-, cent-

[Ult. fr. L. centum, hundred] 1. Prefixes meaning 100, e.g., centipede. 2. In the International System of Units (SI), prefixes meaning one hundredth (10–2).


(sĕn′tĭ-grād) [L. centum, a hundred, + gradus, a step] ABBR: C. 1. Having 100 degrees. 2. Pertaining to a thermometer divided into 100°. The boiling point of water is 100° and the freezing point is 0°.


(sĕn′tĭ-grăm) [″ + Gr. gramma, a small weight] One hundredth of a gram.


(sen′tīl″, ′til) Percentile.


(sĕn′tĭ-lē-tĕr) [″ + Gr. litra, measure of wt.] One hundredth of a liter. SEE: metric system.


(sent′ĭ-mēt″ĕr) [centi- + -meter] ABBR: cm. One hundredth of a meter.

cubic c. ABBR: cc, cm3. In the metric system, a unit of volume equal to that of a cube 1 cm ...

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