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From Embryology
File:Structure of mouse spermatozoa.jpeg ...tochondrial sheath); principal piece; and the end-piece.. Drawn by student z3463514. "Beginning six months after publication, I z3463514 grant the public the non-exclusive right to copy, distribute, or display th(2,293 × 900 (187 KB)) - 23:16, 19 October 2015