sinopotamon chekiangense 中文意思是什麼
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The number of mitochondrion is more less than the endoplasmic reticulum, and the smooth endoplasmic reticulum is the main kind of the endoplasmic reticulum ; golgi bodies and lysosomes emerge in the secondary spermatocyte stage. finally, these organelles change into pre - acrosome vesicles which become acrosome at last. sinopotamon chekiangense during the spermatogenensis, chronmatins condense at different level until middle spermatid stage
在整個發生過程中細胞器數量較少,內質網數目在各細胞器中所佔比例最大,以滑面內質網為主,線粒體在初級精母細胞中最多,自次級精母細胞開始逐漸減少,高爾基體和溶酶體自次級精母細胞始出現,在發育過程中上述細胞器不斷分化,在精細胞階段形成前頂體腔,最後形成圓球形頂體。
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