<prompt> Secondary granules in neutrophil isLactoferrinProteolytic enzymesNucleotidaseCatalase  <response>: Neutrophils have two types of granules; primary azurophilic granules found in young cells and secondary specificgranules which are found in more maturecells. Specific granules are secretory vesicles found exclusively in cells of the immune system called granulocytes. It is sometimes described as applying specifically to neutrophils, and sometimes the term is applied to other types of cells. 