没有受精的中央细胞退化时最显著的特点是细胞核产生核膜囊泡。
The most prominent sign of degeneration is that the central cell nucleus produced nuclear vacuoles.
它们大都存在于细胞核膜的内外层之间，有时也散布于细胞核及细胞质内。
Many of the particles were arranged between the inner and outer membranes of the nucleus, and many were distributed in both the cytoplasm and nucleus.
细胞核的核膜上有独特的具有识别能力的核孔。
The nucleus is uniquely recognizable by the system of pores embedded within its outer membrane.
超微结构复方地黄组海马神经元损伤轻微，大部分核膜清楚完整，细胞核染色质基本呈正常分布，核周间隙清晰可见。
For the rehmannia group's neurons, most of the nuclear membrane were clearly and completely, and basic nuclear chromatin showed a normal distribution, perinuclear space was clearly visible.
细胞核变形，核内出现裂隙，核膜受损，甚至消失。
Crevices also existed in the nucleus. The nuclear membrane fractured and even disappeared.
超微病变也很明显，主要表现为多数组织器官的细胞核膜扩张，核染色质溶解消失，线粒体肿胀。
They were the target organs. Under the electrical microscope, cytopathological changed obviously. The cells of most tissues and organs were badly destroyed.
早期精细胞呈椭圆形，细胞核大而且圆，核膜不规则，多呈锯齿状；
Early spermatid was oval in shape, with a big and round nucleus;
其他器官出现如细胞核核膜溶解，细胞核消失，内质网消失等现象。
Other symptoms observed included: the karyotheca dissolved, the nucleolus and the endoplasmic reticulum disappeared.
其他器官出现如细胞核核膜溶解，细胞核消失，内质网消失等现象。
Other symptoms observed included: the karyotheca dissolved, the nucleolus and the endoplasmic reticulum disappeared.
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