preparation


preparation
1. A getting ready. 2. Something made ready, as a medicinal or other mixture, or a histologic specimen. [L. praeparatio, fr. prae, before, + paro, pp. -atus, to get ready]
- cavity p. 1. removal of dental caries and surgical p. of the remaining tooth structure to receive a dental restoration; 2. the final form of an excavation in a tooth resulting from such p..
- corrosion p. a p. in which the hollow parts such as ducts, vessels, or alveoli of the lung are filled with a substance that hardens and persists after dissolving the tissues by digestion.
- cytologic filter p. a cytologic specimen made by depositing a watery sample (obtained by a variety of methods from many body sites) upon a filter having pores of uniform size smaller than the cellular material to be concentrated; this is followed by fixation and staining, usually with 95% ethyl alcohol and Papanicolaou stain.
- heart-lung p. an animal p. in which blood (rendered incoagulable) circulates through the heart and lungs and through an artificial system of vessels representing the systemic circulation; the latter is connected with the divided aorta on the one hand and with the superior vena cava on the other; used in physiologic studies of the heart and circulation.

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prep·a·ra·tion .prep-ə-'rā-shən n
1) the action or process of preparing
2) something that is prepared specif a medicinal substance made ready for use <a \preparation for colds>

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prep·a·ra·tion (prep″ə-raґshən) [L. praeparatio] 1. the act or process of making ready. 2. a medicine made ready for use. an anatomic or pathologic specimen made ready and preserved for study.

Medical dictionary. 2011.

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  • préparation — [ preparasjɔ̃ ] n. f. • 1314; lat. præparatio I ♦ 1 ♦ Action de préparer (qqch.), de mettre (qqch.) en état d être utilisé. Préparation des repas, d un plat. Plat qui exige une longue préparation. Préparation des peaux, des laines. Préparation d… …   Encyclopédie Universelle

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  • Preparation — Préparation Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Chimie Préparation phytopharmaceutique, dans le domaine des produits phytopharmaceutiques : un mélange composé de deux ou plusieurs… …   Wikipédia en Français

  • Preparation — can refer to: * Preparedness * Preparation (dental), the method by which a tooth is prepared when removing decay and designing a form that will provide adequate retention for a dental restoration * Preparation (music), treatment of dissonance in… …   Wikipedia

  • preparation — Preparation. s. f. Apprest, disposition, action par laquelle on prepare. Ne vous faites pas purger sans preparation. preparation à la mort. il presche sans preparation. Preparation, Se prend aussi pour la composition des remedes. Bonne, mauvaise… …   Dictionnaire de l'Académie française

  • Preparation — Prep a*ra tion, n. [F. pr[ e]paration, L. praeparatio. See {Prepare}.] [1913 Webster] 1. The act of preparing or fitting beforehand for a particular purpose, use, service, or condition; previous arrangement or adaptation; a making ready; as, the… …   The Collaborative International Dictionary of English

  • preparation — I noun anticipation, apprenticeship, arrangement, background, basis, building, development, education, equipment, establishment, evolution, foresight, forethought, foundation, groundwork, initiation, instruction, making ready, neophytism,… …   Law dictionary

  • preparation — [n1] development, readiness alertness, anticipation, arrangement, background, base, basis, build up*, construction, dry run*, education, establishment, evolution, expectation, fitting, foresight, formation, foundation, gestation, getting ready,… …   New thesaurus

  • preparation — et appareil, Praeparatus, huius praeparatus, Praeparatio. Faire quelque chose avec preparation et appareil, Praeparato facere …   Thresor de la langue françoyse

  • preparation — [prep΄ə rā′shən] n. [ME preparacion < MFr preparation < L praeparatio] 1. the act or process of preparing 2. the condition of being prepared; readiness 3. something done to prepare; preparatory measure 4. something prepared for a special… …   English World dictionary

  • preparation — (n.) late 14c., act of preparing, from L. praeparationem (nom. praeparatio) a making ready, noun of action from pp. stem of praeparare prepare, from prae before (see PRE (Cf. pre )) + parare make ready (see PARE (Cf. pare …   Etymology dictionary