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Keywords: Spermatozoa-human-3140x.jpg en Micrograph by scanning electron microscope SEM of human sperm cells spermatozoa magnified 3140 times no Spermier fra menneske Bildet er tatt ved hjelp av scanning elektronmikroskop SEM på 3140 gangers forstørrelse own No specific author 2010-10-14 PD-URAA-Simul country URAA date reason Pore size of the polycarbonate filter in the background is 1µm Fertility Semen Human reproduction Sperm |