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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。

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。

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