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Single Human sperm swimming, big close up, Interference contrast
Single Human sperm swimming, big close up, Interference contrast
Getty Images
Single Human sperm swimming, big close up, Interference contrast
Single Human sperm swimming, big close up, Interference contrast
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Human sperm, lots swimming, turquoise background
Human sperm, lots swimming, turquoise background
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Human sperm, general shot, includes two-tailed sperm
Human sperm, general shot, includes two-tailed sperm
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Human sperm, medium lots sperm swimming around, pan across. Two tailed sperm on left of frame at end of shot
Human sperm, medium lots sperm swimming around, pan across. Two tailed sperm on left of frame at end of shot
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Human sperm, lots swimming around, locked off
Human sperm, lots swimming around, locked off
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Human sperm, two sperm swimming rather ineffectually
Human sperm, two sperm swimming rather ineffectually
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Single Human sperm swimming, big close up, Interference contrast
Single Human sperm swimming, big close up, Interference contrast
Getty Images
Single Human sperm swimming, big close up, Interference contrast
Single Human sperm swimming, big close up, Interference contrast
Getty Images
Human sperm swimming next to edge of egg-like mass
Human sperm swimming next to edge of egg-like mass
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Human sperm, single sperm swimming strongly
Human sperm, single sperm swimming strongly
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CU Female Common Frog (Rana temporaria) laying cluster of eggs as male fertilises them, underwater, England
CU Female Common Frog (Rana temporaria) laying cluster of eggs as male fertilises them, underwater, England