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265 results

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    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    3d illustration of red transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of red transparent sperm cells swimming towards egg cell.
    Magnified digital illustration of 8 cell stage embryo. — Stock Photo
    Magnified digital illustration of 8 cell stage embryo.
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Fungal cells revealing sporangium with spores — Stock Photo
    Fungal cells revealing sporangium with spores
    3d illustration of sperm cells approaching egg cell on colorful blue background. — Stock Photo
    3d illustration of sperm cells approaching egg cell on colorful blue background.
    Female reproductive system — Stock Photo
    Female reproductive system
    In vitro fertilisation process — Stock Photo
    In vitro fertilisation process
    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.
    Abutilon sp. pollen grain — Stock Photo
    Abutilon sp. pollen grain
    Parasites attacking sperm cell, conceptual illustration. — Stock Photo
    Parasites attacking sperm cell, conceptual illustration.
    3d illustration of sperm cells moving towards human womb. — Stock Photo
    3d illustration of sperm cells moving towards human womb.
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration. — Stock Photo
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration.
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    Complex mucosal folding of seminal vesicle — Stock Photo
    Complex mucosal folding of seminal vesicle
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Pollen grains of mimosa flower, digital illustration. — Stock Photo
    Pollen grains of mimosa flower, digital illustration.
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes. — Stock Photo
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes.
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    Human sperm cells — Stock Photo
    Human sperm cells
    Illustration of 8 cell stage egg on blue background. — Stock Photo
    Illustration of 8 cell stage egg on blue background.
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration. — Stock Photo
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration.
    Human sperm cells — Stock Photo
    Human sperm cells
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    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.
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    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.
    Close-up illustration of pollen grain of mimosa and mimosa flowers. — Stock Photo
    Close-up illustration of pollen grain of mimosa and mimosa flowers.
    Cryonic preservation of sperm, conceptual digital illustration. — Stock Photo
    Cryonic preservation of sperm, conceptual digital illustration.
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Flowering currant pollen — Stock Photo
    Flowering currant pollen
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration. — Stock Photo
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, 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.
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection. — Stock Photo
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection.
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection. — Stock Photo
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Human sperm cells — Stock Photo
    Human sperm cells
    Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organisms, digital illustration.
    Colored scanning electron micrograph of pollen grains from marigold flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from marigold flower.
    Human sperm cells — Stock Photo
    Human sperm cells
    Fallopian tube cellular structure — Stock Photo
    Fallopian tube cellular structure
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    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 sperm cells — Stock Photo
    Human sperm cells
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.