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265 results

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    Abutilon pollen grain — Stock Photo
    Abutilon pollen grain
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Abutilon sp. pollen grain — Stock Photo
    Abutilon sp. pollen grain
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 cell stage egg on blue background.
    Clematis montana pollen — Stock Photo
    Clematis montana pollen
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Epithelium from a fallopian tube — Stock Photo
    Epithelium from a fallopian tube
    Egg cells on white background, digital illustration. — Stock Photo
    Egg cells on white background, digital illustration.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Illustration of 4 cell stage egg on black background. — Stock Photo
    Illustration of 4 cell stage egg on black background.
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia. — Stock Photo
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia.
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish. — Stock Photo
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish.
    Female reproductive system — Stock Photo
    Female reproductive system
    Secondary follicles in an ovary — Stock Photo
    Secondary follicles in an ovary
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Normal sperm cells — Stock Photo
    Normal sperm cells
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Illustration of sperm fertilizing human egg cell. — Stock Photo
    Illustration of sperm fertilizing human egg cell.
    Flowering currant pollen — Stock Photo
    Flowering currant pollen
    Rapeseed pollen grain — Stock Photo
    Rapeseed pollen grain
    Primary ovarian follicle — Stock Photo
    Primary ovarian follicle
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    3d illustration of sperm cells on pink background. — Stock Photo
    3d illustration of sperm cells on pink background.
    Pollen grains of mimosa flowers, digital illustration. — Stock Photo
    Pollen grains of mimosa flowers, digital illustration.
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia. — Stock Photo
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia.
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant. — Stock Photo
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant.
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla). — Stock Photo
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla).
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    3d illustration of transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of transparent sperm cells swimming towards egg cell.
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Human sperm cells — Stock Photo
    Human sperm cells
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Parasites attacking female egg cell, digital illustration. — Stock Photo
    Parasites attacking female egg cell, digital illustration.
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Illustration of 4 cell stage egg on black background. — Stock Photo
    Illustration of 4 cell stage egg on black background.
    Colored scanning electron micrograph of pollen grains from Nymphaeaceae water lily flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from Nymphaeaceae water lily flower.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organisms, digital illustration.
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla). — Stock Photo
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla).
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Human embryo with four cells — Stock Photo
    Human embryo with four cells
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.
    Alstroemeria anther and pollen — Stock Photo
    Alstroemeria anther and pollen
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia. — Stock Photo
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia.
    Passion flower pollen — Stock Photo
    Passion flower pollen