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三、正常红细胞形态
![](https://epubservercos.yuewen.com/9CF5C3/21846793801678906/epubprivate/OEBPS/Images/Chapter_524.jpg?sign=1738866116-n6NBpmt7YKvIGXh3H5md9spGuAuvB4T4-0-4db25f480a28602282b7d190d9768906)
![](https://epubservercos.yuewen.com/9CF5C3/21846793801678906/epubprivate/OEBPS/Images/Chapter_525.jpg?sign=1738866116-trR1c0tALoJvEk1iBDBIGmvX1OKfQHPD-0-63a7ba79fbdd3dda3c20d7c25972ff97)
原始红细胞(pronormoblast)
胞体直径15~25μm,多为圆形或类圆形,边缘常有瘤状突起。胞质量偏少,呈深蓝色,不透明,胞质中无颗粒;胞核圆形、居中或略偏位,核染色质粗、均匀,呈深紫红色,核仁1~3个。
![](https://epubservercos.yuewen.com/9CF5C3/21846793801678906/epubprivate/OEBPS/Images/Chapter_523.jpg?sign=1738866116-1FOPh46Z0CBPML5dkdFAkcyjglkosvwN-0-3d3d85c1bf042fd4c5024c88d9015263)
早幼红细胞(early normoblast)
胞体直径10~18μm,胞质量略增多,其染色比原始红细胞略浅,呈不透明蓝色,瘤状突起及核周淡染区仍可见;胞核圆形,居中或稍偏位,核染色质浓集呈粗颗粒状,核仁模糊或消失。
![](https://epubservercos.yuewen.com/9CF5C3/21846793801678906/epubprivate/OEBPS/Images/Chapter_527.jpg?sign=1738866116-JauBuACIzIAeU1liqVAvXZ1d9BjS3ODH-0-27dc0837a79e5e3949c103439364e30b)
中幼红细胞(polychromatic normoblast)
胞体直径8~15μm,胞质量偏多,胞质呈灰蓝色或灰红色;胞核呈圆形、居中,核染色质凝聚成块,像压碎饼干样,其副染色质明显,核仁完全消失(箭头)。
![](https://epubservercos.yuewen.com/9CF5C3/21846793801678906/epubprivate/OEBPS/Images/Chapter_526.jpg?sign=1738866116-47oBatmuaUPm6ATy54yOT3LAZeOk9Qe0-0-7dd1a2ec909335d08847e5bc960131b9)
中幼红细胞(polychromatic normoblast)
胞体呈椭圆形,胞质量偏多,呈灰红色;胞核呈圆形,偏于一侧,核染色质凝聚成块,副染色质明显,核仁消失。
![](https://epubservercos.yuewen.com/9CF5C3/21846793801678906/epubprivate/OEBPS/Images/Chapter_528.jpg?sign=1738866116-qhA1KaYxB76l11ZMZQ9j2D1K0ZJ2noEc-0-21ece82f4f448c0e5998cfa9c7075d50)
晚幼红细胞(orthochromatic normoblast)
胞体直径7~10μm,胞质量较中幼红偏多,呈淡红色或灰红色;胞核圆形,居中或偏位,核染色质固缩聚集,呈深紫红色或紫黑色团块状(称为碳核),副染色质少见或消失。
![](https://epubservercos.yuewen.com/9CF5C3/21846793801678906/epubprivate/OEBPS/Images/Chapter_529.jpg?sign=1738866116-vI2DSEJjchjpRPtkvIGRyViilA3J9HJl-0-d69960979ee0f62b75e28358fb292c1a)
晚幼红细胞(orthochromatic normoblast)
胞质量多,呈灰红色;胞核圆形,居中,核染色质固缩聚集,呈紫红色,副染色质消失。
![](https://epubservercos.yuewen.com/9CF5C3/21846793801678906/epubprivate/OEBPS/Images/Chapter_530.jpg?sign=1738866116-DfDrol426bBm3IC0rge30Mne68ievPhZ-0-999c2162a0cdb2a0a5ae212f8090558d)
成熟红细胞(erythrocyte)
成熟红细胞胞体直径平均为7μm,两面呈微凹盘状,呈淡红色,中央部分淡染。
![](https://epubservercos.yuewen.com/9CF5C3/21846793801678906/epubprivate/OEBPS/Images/Chapter_531.jpg?sign=1738866116-f0N9NScOtTFv9J4pPcD5fZncWeSz0cle-0-b88820bd57a5d43a398d05d8ad5cbb85)
红细胞核分裂前期
染色体散乱分布,呈不规则状,没有规律。
![](https://epubservercos.yuewen.com/9CF5C3/21846793801678906/epubprivate/OEBPS/Images/Chapter_532.jpg?sign=1738866116-EPOGIiVRNyqomjWZFMCH5CVV9FU2t5Tl-0-2094b353083d3c9878419640e99c83b0)
红细胞核分裂中期
染色体排列在赤道板上。
![](https://epubservercos.yuewen.com/9CF5C3/21846793801678906/epubprivate/OEBPS/Images/Chapter_533.jpg?sign=1738866116-4G5A3bMhJJTCa1JXALCjRhZSFnPYPBXV-0-2a45f38c60c697c5c507add6a6f52b62)
红细胞核分裂后期
着丝点分开,染色体被拉向两极。