释义 |
koch phenomenon \ˈkȯk-, ˈkȯḵ-, ˈkōk-, ˈkäk-\ noun Usage: usually capitalized K Etymology: after Robert Koch died 1910 German bacteriologist : the response of a tuberculous animal to reinfection with tubercle bacilli marked by necrotic lesions that develop rapidly and heal quickly and caused by hypersensitivity to products of the tubercle bacillus |