② eosinoph: normal percentage 0.5-3% of total leukocyte population --structure LM round 10-15 um in diameter ●2 lobes nuc|eus e rough bright red granules-acidophilic granules② eosinophil: ---normal percentage: 0.5-3% of total leukocyte population ---structure: LM: round,10-15 um in diameter 2 lobes nucleus rough bright red granules-acidophilic granules