A Stitch in Time: Operative and Nonoperative Laceration Repair Techniques.

Before repairing a laceration, consider the mechanism and severity of the injury. Gentle irrigation of the wound helps to remove microscopic infectious agents and larger debris. Not all foreign bodies are visible in plain radiographs.

Genetic control of programmed cell death in Drosophila melanogaster.

Apoptosis is a genetically controlled form of cell death that is an important feature of animal development and homeostasis. The genes involved in the control and execution of apoptosis are conserved throughout evolution. However, the actual molecular mechanisms used by these genes vary from species to species.