An intermediary substance or thing.
- pharmacologic mediators of anaphylaxis substances released from mast (and other) cells by the reaction of antigen and specific homocytotropic antibody on their surfaces; they include histamine, slow-reacting substance of anaphylaxis (SRS-A), bradykinin, and (in some species of animals) serotonin.

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me·di·a·tor 'mēd-ē-.āt-ər n one that mediates esp a mediating agent (as an enzyme or hormone) in a chemical or biological process <substance P, a neuropeptide \mediator of analgesic stimuli in peripheral sensory nerves (D. R. Robinson)>

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me·di·a·tor (meґde-a″tər) an object or substance that intervenes on behalf of something else, or transmits or conveys something else, such as (1) a structure of the nervous system that transmits impulses eliciting a specific response; (2) a chemical substance (neurotransmitter) that induces activity in an excitable tissue, such as nerve or muscle; or (3) a substance released from cells as the result of the interaction of antigen with antibody or by the action of antigen with a sensitized lymphocyte.

Medical dictionary. 2011.

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  • Mediator — Шаблон Mediator(также известный как Посредник) – Шаблон проектирования Поведенческий шаблон (Behavioral). Обеспечивает взаимодействие множества объектов, сформировав при этом слабую связанность и избавив объекты от необходимости явно ссылаться… …   Википедия

  • mediator — MEDIATÓR, OÁRE, mediatori, oare, subst. 1. s.m. şi f. Persoană, guvern etc. care mijloceşte o înţelegere între două părţi (adverse), care face un act de mediaţie; mijlocitor, intermediar. 2. s.n. Intermediar chimic care asigură transmiterea… …   Dicționar Român

  • Mediator — may refer to: A neutral party who assists in negotiations and conflict resolution, the process being known as mediation Mediator variable in statistics The Mediator pattern in computer science The multiprotein Mediator (coactivator) in Molecular… …   Wikipedia

  • médiator — [ medjatɔr ] n. m. • 1902; mot lat. ♦ Mus. Lamelle ovoïde utilisée pour jouer de certains instruments à cordes pincées (mandoline, banjo). ⇒ plectre. ● médiator nom masculin Synonyme de plectre. ● médiator (synonymes) nom masculin Synonymes …   Encyclopédie Universelle

  • mediator — me·di·a·tor / mē dē ˌā tər/ n: one that works to effect reconciliation, settlement, or compromise between parties at variance compare arbitrator Merriam Webster’s Dictionary of Law. Merriam Webster. 1996 …   Law dictionary

  • Mediator — Me di*a tor, n. [L. mediator: cf. E. m[ e]diateur.] One who mediates; especially, one who interposes between parties at variance for the purpose of reconciling them; hence, an intercessor. [1913 Webster] For there is one God, and one mediator… …   The Collaborative International Dictionary of English

  • Mediator — (lat. mediator „Mittler“) steht für: ein (außergerichtlichen) Vermittler in einem Kommunikationsprozess, siehe Mediation chemische Stoffe zur Übertragung von Signalen, siehe Botenstoff die Mediatorvariable, die den statistischen Zusammenhang… …   Deutsch Wikipedia

  • mediator — mid 14c., from L.L. mediatorem (nom. mediator) one who mediates, agent noun from pp. stem of mediari to intervene, mediate, also to be or divide in the middle, from L. medius in the middle (see MEDIAL (Cf. medial) (adj.)). Originally applied to… …   Etymology dictionary

  • mediator — {{/stl 13}}{{stl 8}}rz. mos I, Mc. mediatororze; lm M. mediatororzy {{/stl 8}}{{stl 7}} pośrednik w sporze; rozjemca : {{/stl 7}}{{stl 10}}Mediator zwaśnionych stron. Podjąć się roli mediatora. {{/stl 10}} …   Langenscheidt Polski wyjaśnień

  • mediator — (Del lat. mediātor, ōris). m. Juego de naipes de varios lances, semejante al tresillo, hombre y otros …   Diccionario de la lengua española

  • Mediator — (lat.), Mittelsperson; mediatorisch (mediativ), vermittelnd …   Meyers Großes Konversations-Lexikon

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