: Specific cell adhesion molecules (CAMs) allow leucocytes to stick to vascular endothelial cells, a process essential for reaching the site of an injury or infection.
(also spelled leukocytes), commonly known as white blood cells (WBCs) , are the mobile units of the body's defensive system. They are produced in the bone marrow and lymph tissue and are distributed throughout the blood and lymphatic systems. Unlike red blood cells, all leucocytes have nuclei, which is their primary distinguishing feature. Classification of Leucocytes leucocyte
: Primarily involved in battling parasitic infections and allergic responses. : Specific cell adhesion molecules (CAMs) allow leucocytes
: Release histamine and other chemicals during inflammatory reactions. Agranulocytes : Lack visible granules and include: all leucocytes have nuclei