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Human sperm with two tails swimming ineffectually
Human sperm with two tails swimming ineffectually
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Single Human sperm swimming against the flow of semenal plasma, Interference contrast
Single Human sperm swimming against the flow of semenal plasma, Interference contrast
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Single Human sperm swimming, big close up, Interference contrast
Single Human sperm swimming, big close up, Interference contrast
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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
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Single Human sperm swimming, big close up, Interference contrast
Single Human sperm swimming, big close up, Interference contrast
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Springtail (Sminthurides aquaticus) walking and feeding with antenna waving
Springtail (Sminthurides aquaticus) walking and feeding with antenna waving
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Springtail (Sminthurides aquaticus) Group wrestling
Springtail (Sminthurides aquaticus) Group wrestling
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Large ciliate with reflective cytoplasmic granuals
Large ciliate with reflective cytoplasmic granuals