There are three types of granulocytes – neutrophils, eosinophil and basophils, and two types of agranulocytes – monocytes and lymphocytes. Normal range of WBC count is 4000 – 11000 cells/ cu mm.

Basophils, a type of immune cell that makes up less than 1% of white blood cells, have recently emerged as critical players in triggering allergic responses by releasing pro-inflammatory cytokines ...