Immune System Terminology

noun a process by which a cell transports secretory products through vesicles that fuse with the cell membrane and release their contents outside the cell

• Exocytosis is a cellular process in which vesicles release their contents outside the cell.
• Exocytosis is like when cells spit out stuff.
• Cells do exocytosis to get rid of their junk.
• Exocytosis is like a cell throwing out its trash.

noun a type of white blood cell that helps the body fight off infections by engulfing and destroying bacteria and other pathogens

• Neutrophils are a type of white blood cell that play a key role in the body's immune response.
• Neutrophils are like the body's first line of defense against infections.
• Neutrophils are the fighters in our blood that go after the bad guys.
• Think of neutrophils as the soldiers of the immune system, always ready to protect against invaders.