posted on 2025-02-13, 18:40authored byZhaoqing Gong, Yujie Wang, Jiayi Tang, Yang Xu, Hongkai Wang, Yimiao Zhang, Lixin Xiong, Changzheng Sun, Yiyang Li, Yan Yang, Minhua Yao, Heng Cai, Zengshuo Man, Siyu Xuan, Yangyang Tang, Ziao Zhao, Jiaxin Sun, Dongwei Liu, Yanping Su, Xinghua Xu, Mingjiu Luo, Hongshu Sui
cNSN: prematurely condensed non-surrounded nucleolus, COC: cumulus–oocyte complexes, cSN-1: prematurely condensed surrounded nucleolus, NSN: non-surrounded nucleolus, pNSN: partly non-surrounded nucleolus, pSN-1: partly surrounded nucleolus, SN-1: surrounded nucleolus, SN-2: aggregated. a–e: There are significant differences between items with different letters in the same column (P < 0.05). Each treatment was replicated 3–4 times, and each replicate included approximately 20 COCs.