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    Computer illustration of a mixture of pollen grains and spores. — Stock Photo
    Computer illustration of a mixture of pollen grains and spores.
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female — Stock Photo
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female
    Sunflower pollen structure — Stock Photo
    Sunflower pollen structure
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Visual rendering of Pollen — Stock Photo
    Visual rendering of Pollen
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Rapeseed pollen grain — Stock Photo
    Rapeseed pollen grain
    Male sex cell — Stock Photo
    Male sex cell
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower.
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female — Stock Photo
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female
    Normal human egg — Stock Photo
    Normal human egg
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Artwork of human fertilization — Stock Photo
    Artwork of human fertilization