<prompt> Which one of the listed statements is the best histologic definition of an abscess?A circumscribed collection of neutrophils with necrotic cellular debrisA localized defect that results from the sloughing of necrotic inflammatory tissue from the surface of an organA localized proliferation of fibroblasts and small blood vesselsAn aggregate of two or more activated macrophages  <response>: An abscess is a localized collection of neutrophils and necrotic debris. It is basically a localized form of suppurative purulent inflammation, which is associated with pyogenic bacteria and is characterized by edema fluid admixed with neutrophils and necrotic cells liquefactive necrosis or pus. 