aggressin
A substance of microbial origin postulated to inhibit the resistance mechanisms of the host. [L. agressor, an assailant, fr. ad-gredio, pp. -gressus, to attack]

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ag·gres·sin ə-'gres-ən n a hypothetical substance held to contribute to the virulence of pathogenic bacteria by paralyzing the host defensive mechanisms (as the white blood cells) and held to be produced by the bacteria in the body of the host

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ag·gres·sin (ə-gresґin) any of a postulated group of nontoxic substances produced by pathogenic bacteria that inhibit the mechanisms of host resistance.

Medical dictionary. 2011.

Look at other dictionaries:

  • aggressin — n. [L. aggressus, attacked] A substance produced in the body of a host by a pathogenic organism that paralyzes the defense mechanisms of the host …   Dictionary of invertebrate zoology

  • aggressin — noun Any substance, produced in the body by a pathogenic bacterium, that enhances the virulence of the bacteria See Also: antiaggressin …   Wiktionary

  • aggressin — ag·gres·sin …   English syllables

  • aggressin — sən noun ( s) Etymology: International Scientific Vocabulary aggress (from Late Latin aggressus) + in; originally formed in German : a hypothetical substance held to contribute to the virulence of pathogenic bacteria by paralyzing the defensive… …   Useful english dictionary

  • Franz Ballner — (* 2. Dezember 1870 in Fulnek; † 1963 in Wald Michelbach) war ein österreichischer Arzt und Hygieniker. Nach dem Besuch des Gymnasiums in Troppau begann Franz Ballner 1890 das Studium der Medizin an der Universität Wien, wo er dann 1896 zum… …   Deutsch Wikipedia

  • antiaggressin — an·ti·ag·gres·sin .ant ē ə gres ən, .an .tī n an antibody that acts against an aggressin …   Medical dictionary

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