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    Abutilon pollen grain — Stock Photo
    Abutilon pollen grain
    Climbing lily pollen — Stock Photo
    Climbing lily pollen
    Flowering currant pollen — Stock Photo
    Flowering currant pollen
    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
    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
    Passion flower pollen — Stock Photo
    Passion flower pollen
    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.
    Sunflower pollen structure — Stock Photo
    Sunflower pollen structure
    Sperm cell fertilising an egg cell — Stock Photo
    Sperm cell fertilising an egg cell
    Abutilon sp. pollen grain — Stock Photo
    Abutilon sp. pollen grain
    Male sex cell — Stock Photo
    Male sex cell
    Deformed sperm cell — Stock Photo
    Deformed sperm cell
    Zygote development 24-36 hours after fertilization — Stock Photo
    Zygote development 24-36 hours after fertilization
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Male sex cell — Stock Photo
    Male sex cell
    Side view of woman in medical uniform and mask using modern microscope to examine human cells while working in lab of modern clinic — Stock Photo
    Side view of woman in medical uniform and mask using modern microscope to examine human cells while working in lab of modern clinic