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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。

Sperm Morphology and Ultrastructure. A mature spermatozoon is a highly differentiated single cell that comprises head, midpiece and tail regions (Fig. 2A) all bounded。

The revolutionary discovery 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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