Under the light microscopy, six main types of blood cells can be recogniz ed: erythrocyte, monocyte, thrombocyte, lymphocyte, neutrophil and eosinophil.

• 光镜观察显示，牙鲆外周血中包括六种类型的血细胞：红细胞、淋巴细胞、血栓细胞、单核细胞、嗜中性粒细胞和嗜酸性粒细胞，未见嗜碱性粒细胞；