Neutrophil

Definition

Neutrophils are a type of white blood cell that play a crucial role in the innate immune system by engulfing and destroying pathogens through a process called phagocytosis. They are the most abundant type of white blood cells in humans and act as the first line of defense against infection.

Related terms

Phagocytosis:

The process by which cells, like neutrophils, ingest or engulf other cells, particles, or pathogens.

Innate Immune System: The part of the immune system that acts as a first line of defense against pathogens, responding in a generic but rapid manner.

White Blood Cell: A cell that circulates in the blood and body fluids and is involved in counteracting foreign substances and disease; there are several types, including neutrophils