: They move from the bloodstream into tissues via the lymphatic vasculature using chemokine-directed "amoeboid movement".
: Certain leucocytes, like neutrophils and macrophages, ingest and destroy harmful germs and cellular debris. leucocyte
: Large cells that migrate into tissues to become macrophages, which engulf debris and pathogens. : They move from the bloodstream into tissues
The primary role of leucocytes is to protect the body against infectious diseases and foreign entities. They achieve this through several critical processes: like neutrophils and macrophages
: The most numerous, acting as first responders to infection.