作者: R. Billard , J. Cosson , G. Perchec , O. Linhart
DOI: 10.1016/0044-8486(94)00231-C
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摘要: … sperm is of a primitive type with uncondensed chromatin and a small midpiece. As in most teleost fish, the sperm is immotile in the male genital tract and in the semen … The sticky layer of …