innate immune system

(redirected from Passive immune system)
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Related to Passive immune system: Innate immune system

innate immune system

n.
The component of the immune system that is relatively nonspecific and immediate and includes mucous secretions, complement proteins, and certain white blood cells, especially neutrophils, macrophages, and dendritic cells. It is one of two main components of the vertebrate immune system, along with the adaptive immune system.
References in periodicals archive ?
It was concluded that vitamin E and selenium supplementation improves both active and passive immune system if given before 75 days of parturition.
It is both a vaccine and a stimulus which combine the characteristics of both active and passive immune systems.