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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。

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

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

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