Zusammenfassung
Als Antwort auf die andauernde Bedrohung des Organismus durch die verschiedenartigsten Erreger mit vielfältigen Infektionsstrategien haben Wirbeltiere ein kompliziertes Verteidigungssystem entwickelt das Immunsystem. Es kombiniert spezifische Erkennungsvorgänge, die zur erworbenen Immunität führen, mit unspezifischen Verteidigungsmaßnahmen, der sog. natürlichen Resistenz. Zu letzterer gehören verschiedenartige Schutzmechanismen wie u. a. pH-Wert, eisenbindende Proteine, die direkte Phagozytose oder die alternative Aktivierung des Komplementsystems.
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Fleischer, B. (2004). Physiologie und Pathophysiologie des Immunsystems. In: Mueller-Eckhardt, C., Kiefel, V. (eds) Transfusionsmedizin. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-10597-9_5
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