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    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
    Male sex cell — Stock Photo
    Male sex cell
    Artwork of human fertilization — Stock Photo
    Artwork of human fertilization
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Sunflower pollen structure — Stock Photo
    Sunflower pollen structure
    Aconite anther and pollen — Stock Photo
    Aconite anther and pollen
    Computer illustration of a mixture of pollen grains and spores. — Stock Photo
    Computer illustration of a mixture of pollen grains and spores.
    Rapeseed pollen grain — Stock Photo
    Rapeseed pollen grain
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Primrose (Primula sp.) pollen grain, coloured scanning electron micrograph (SEM). — Stock Photo
    Primrose (Primula sp.) pollen grain, coloured scanning electron micrograph (SEM).
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Geranium pollen grain — Stock Photo
    Geranium pollen grain
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    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
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    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
    Abutilon sp. pollen grain — Stock Photo
    Abutilon sp. pollen grain
    Male sex cell — Stock Photo
    Male sex cell
    Horse chestnut pollen grain — Stock Photo
    Horse chestnut pollen grain
    Primula pollen grain — Stock Photo
    Primula pollen grain
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Male sex cell — Stock Photo
    Male sex cell
    Daisy pollen grain — Stock Photo
    Daisy pollen grain
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    Sunflower pollen structure — Stock Photo
    Sunflower pollen structure
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Sperm cell fertilising an egg cell — Stock Photo
    Sperm cell fertilising an egg cell
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. 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
    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
    Geranium sp. pollen grain — Stock Photo
    Geranium sp. pollen grain
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Clematis montana pollen — Stock Photo
    Clematis montana pollen
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Flowering currant pollen — Stock Photo
    Flowering currant pollen
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Climbing lily pollen — Stock Photo
    Climbing lily pollen
    Alstroemeria anther and pollen — Stock Photo
    Alstroemeria anther and pollen
    Visual rendering of Pollen — Stock Photo
    Visual rendering of Pollen
    Deformed sperm cell — Stock Photo
    Deformed sperm cell
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    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
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Digital illustration of pollen grain on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grain on anther of Chinese hibiscus flower.
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    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.
    Normal human egg — Stock Photo
    Normal human egg
    Normal human egg — Stock Photo
    Normal human egg
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules