The aim of this study was to examine the effect of activin A during in vitro pre-maturation of bovine oocytes by roscovi......

To reveal the molecular mechanism underlying the membrane protrusions derived from the condensation of homologous chroma......

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以皮层颗粒（ＣＧ）单层分布于质膜下做为卵母细胞质成熟的指数，利用ＣＧ荧光染色法，研究了不同类型牛卵母细胞的质成熟情况。结果表明：（１）采自直径大......