spermatozoide|The functional anatomy of the human spermatozoon: relating ...,５０代夫婦生活体位

spermatozoon [sper″mah-to-zo´on] (pl. spermatozo´a) (Gr.) a mature male germ cell, the specific output of the testes, which fertilizes the mature ovum (secondary oocyte) in sexual。

The former perception of the spermatozoon as a delivery device of the male genome has been expanded to include a new understanding of the cells complex role in fertilization. Once the。

The revolutionary discoverspermatozoidey of the presence of spermatozoa in semen was made by Antonie van Leeuwenhoek (1632–1723), who in 1676 sent a letter (published in 1678) to the。

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