When harmful bacteria or other microorganisms invade the body, neutrophils, a type of white blood cell, are one of the first immune cells to respond. They release powerful weapons to trap and kill these threats, one of the most important being neutrophil extracellular traps, or NETs. These are web-like structures made from DNA and proteins that act like sticky nets, trapping microbes and preventing them from spreading.
This article was originally published on MedicalXpress.com