Human mature oocytes with a normal (A) and dark (B) zona pellucida.

作者：Shi Wei, Bo Xu, WU Li-min, Jin Ren-Tao, Hong-Bing Luan, Lihua Luo, Qing Zhu, Johansson Lars, Yusheng Liu, Tong Xian-Hong · 发表于：Figshare · 年份：2015 · DOI：10.1371/journal.pone.0089409.g002 · 研究领域：Reproductive Biology and Fertility