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

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