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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
    Artwork of human fertilization — Stock Photo
    Artwork of human fertilization
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Sunflower pollen structure — Stock Photo
    Sunflower pollen structure
    Normal human egg — Stock Photo
    Normal human egg
    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
    Male sex cell — Stock Photo
    Male sex cell
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Sperm cell fertilising an egg cell — Stock Photo
    Sperm cell fertilising an egg cell
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Daffodil pollen structure and shape — Stock Photo
    Daffodil pollen structure and shape
    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
    Rapeseed pollen grain — Stock Photo
    Rapeseed pollen grain
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Flowering currant pollen grains — Stock Photo
    Flowering currant pollen grains
    Geranium sp. pollen grain — Stock Photo
    Geranium sp. pollen grain
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Angel trumpets pollen — Stock Photo
    Angel trumpets pollen
    Digital illustration of pollen grain on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grain on anther of Chinese hibiscus flower.
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush 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
    Computer illustration of a mixture of pollen grains and spores. — Stock Photo
    Computer illustration of a mixture of pollen grains and spores.
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Stacks of Petri dishes with fertilized embryos placed inside refrigerator in contemporary clinic — Stock Photo
    Stacks of Petri dishes with fertilized embryos placed inside refrigerator in contemporary clinic
    Flowering currant pollen — Stock Photo
    Flowering currant pollen
    Deformed sperm cell — Stock Photo
    Deformed sperm 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.
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Milkwort pollen grain — Stock Photo
    Milkwort 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
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Clematis montana pollen — Stock Photo
    Clematis montana pollen
    Climbing lily pollen — Stock Photo
    Climbing lily pollen
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Human egg cell — Stock Photo
    Human egg cell
    Abutilon sp. pollen grain — Stock Photo
    Abutilon sp. pollen grain
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Aconite anther and pollen — Stock Photo
    Aconite anther and pollen
    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
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Angel trumpets pollen grain — Stock Photo
    Angel trumpets pollen grain
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Normal human egg — Stock Photo
    Normal human egg
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Male sex cell — Stock Photo
    Male sex cell
    Digital illustration of pollen grain on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grain on anther of Chinese hibiscus flower.
    Geranium pollen grain — Stock Photo
    Geranium pollen grain