key term - Reticuloendothelial cells

Definition

Reticuloendothelial cells are a group of cells that are part of the immune system and play a crucial role in filtering blood, removing old or damaged red blood cells, and fighting infection. They are primarily found in the liver, spleen, and lymph nodes.

Related terms

Phagocytosis:

The process by which certain living cells called phagocytes ingest or engulf other cells or particles.

Immune System:

The complex network of cells, tissues, and organs that work together to defend the body against attacks by foreign invaders (pathogens).

Hepatic Macrophages (Kupffer Cells): Specialized reticuloendothelial cells located in the liver responsible for removing bacteria, worn-out red blood cells, and other debris from the blood