(二) 红细胞系(图4之1～21) 1.正常幼红细胞形态 (1)原红细胞圆或椭圆形,直径12～20微米。胞核呈圆形或椭圆形,多位于细胞中央或稍偏于一侧。核染色质深紫红色呈颗粒状,有1～5个深蓝色核仁,大小不均,核膜明显,核周有明显的核周淡染区。胞浆量少,不透明,深蓝色,边缘部常有伪足呈瘤状突起,一般无颗粒,可偶见少数颗粒(图4之4) (B) of the red blood cell line (Figure 4, 1 ~ 21) 1. Normal erythroblast morphology (1) The original red blood cells round or oval, diameter 12 to 20 microns. Nuclei were round or oval, and more in the central or slightly cell on the side. Deep-purple nuclear chromatin grainy, with 1 to 5 dark blue nucleolus, uneven size, obvious nuclear membrane, perinuclear week obvious nuclear perinatation zone. Less cytoplasm, opaque, dark blue, often pseudo-foot edge of the tumor-like protuberances, usually without particles, can be seen a small number of particles (Figure 4, 4)