An abscess is an accumulation of pus, usually caused by a bacterial infection. A bacterial infection may lead to an abscess in several ways. For example, using a contaminated needle can introduce ...

An abscess occurs when an infection causes a pocket of pus to develop. Abscesses can develop on the skin, in the mouth, or inside the body. Bacterial infections typically cause abscesses. Pus develops ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

An abscess is a simple collection of necrotic tissue in a liquefied status; most often infected (with purulent material-pus). Apart from the local symptoms of pain, swelling, redness and limitations ...

A boil, or skin abscess, is a localized infection deep in the skin. A boil generally starts as a reddened, tender area. Over time, the area becomes firm and hard. Eventually, the center of the abscess ...