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  • Casein

    A group of proteins found in milk

  • CASPER

    Center Automated System Process Exchange and Reporting (CFSAN)

  • CAST

    Calf Antibiotic and Sulfonamide Test

  • CAT

    Critical Assessment Team

  • CAT

    Computerized Axial Tomography

  • CAT Scan

    An X-ray technique for producing images of internal bodily structures through the assistance of a computer.

  • Catabolism

    The intracellular phase of metabolism involved in the energy-yielding degradation of nutrient molecules (for example, glucose to CO2 and H2O). Waste products are called catabolites.

  • Catabolites

    Waste products of catabolism, by which organisms convert substances into excreted compounds.

  • Catalase

    An enzyme that catalyzes the decomposition of hydrogen peroxide and molecular oxygen and water.

  • Catalysis

    The process of changing the rate of a chemical reaction by use of a catalyst.

  • Catalyst

    A compound that increases the rate of a chemical reaction without being consumed or changed. In the biosciences, the term enzyme is used. Enzymes catalyze biological reactions.

  • CATCH

    Child and Adolescent Trial for Cardiovascular Health (NIH)

  • Cathode Ray Tube

    An output device. Synonyms: Display, Monitor, Screen.

  • Cation

    A positively charged atom or group of atoms. Cations have more protons (positively charged) than electrons (negatively charged) which gives them a net positive charge.

  • Cation

    A positively charged particle or ion; having more electrons than usual.

  • Cation Exchange

    The displacement of one positively charged particle by another on a cation-exchange material.

  • Cation Exchange Resin

    An Ion exchange resin, which removes positively charged ions.

  • Cause Effect Graph

    A Boolean graph linking causes and effects. The graph is actually a digital-logic circuit (a combinatorial logic network) using a simpler notation than standard electronics notation.

  • Cause Effect Graphing

    (NBS) Test data selection technique. The input and output domains are partitioned into classes and analysis is performed to determine which input classes cause which effect. A minimal set of inputs is chosen which will cover the entire effect set.

  • Cause Effect Graphing

    A systematic method of generating test cases representing combinations of conditions.

  • Caustic

    Something alkaline that strongly irritates, corrodes, or destroys living tissue.

  • Caution Statement

    Covering Annex 13: “For Clinical Trial Use Only”; “Keep Out of Reach of Children” and similar phrases intended to improve subject safety.

  • CAV

    Constant Air Volume

  • Cavitation

    A condition of liquid flow where, after partial vaporization of the liquid, the subsequent collapse of vapor bubbles can produce surface damage.

  • Cavitation

    The formation of gas bubbles in a liquid (often caused by heat or vibration).