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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。

Un spermatozoïde est une cellule reproductrice (ou gamète) mâle mobile, intervenant dans la reproduction sexuée. Lors de la fécondation, le spermatozoïde sunit à un ovocyte (gamète femelle) pour former une cellule-œuf, qui se développera ensuite en embryon pour donner un nouvel individu. Chaque spermatozoïde comprend un noyau, un système de locomotion (génér…

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

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