正常外周血涂片：红细胞、淋巴细胞、嗜中性粒细胞

左侧可见一正常的、成熟的淋巴细胞，右侧是与其比较的分叶核嗜中性粒细胞。RBC是正常的淋巴细胞的2/3大小。
A normal mature lymphocyte is seen on the left compared to a segmented PMN on the right. An RBC is seen to be about 2/3 the size of a normal lymphocyte.