spermatozoide|The functional anatomy of the human spermatozoon: relating,えなこ sex

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。

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 Internet, magazine articles, and even biomedical journal articles, are full of cartoons of spermatozoa that bear minimal resemblance to real spermatozoa, especially。

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