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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
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Human sperm cells — Stock Photo
    Human sperm cells
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Horse chestnut pollen grain — Stock Photo
    Horse chestnut pollen grain
    Angel trumpets pollen — Stock Photo
    Angel trumpets pollen
    Digital illustration of Acanthamoeba castellanii amoebas. — Stock Photo
    Digital illustration of Acanthamoeba castellanii amoebas.
    Illustration of sperm fertilizing human egg cell. — Stock Photo
    Illustration of sperm fertilizing human egg cell.
    3d illustration of sperm cells moving towards human womb. — Stock Photo
    3d illustration of sperm cells moving towards human womb.
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Abutilon sp. pollen grain — Stock Photo
    Abutilon sp. pollen grain
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Aconite anther and pollen — Stock Photo
    Aconite anther and 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.
    Close-up illustration of pollen grain of mimosa and mimosa flowers. — Stock Photo
    Close-up illustration of pollen grain of mimosa and mimosa flowers.
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Illustration of 8 cell stage egg on blue background. — Stock Photo
    Illustration of 8 cell stage egg on blue background.
    Illustration of sperm around human egg cell. — Stock Photo
    Illustration of sperm around human egg cell.
    3d illustration of damaged spermatozoon in human sperm. — Stock Photo
    3d illustration of damaged spermatozoon in human sperm.
    Transparent sperm cells moving towards round blue coloured egg cell. — Stock Photo
    Transparent sperm cells moving towards round blue coloured egg cell.
    Geranium sp. pollen grain — Stock Photo
    Geranium sp. pollen grain
    Cryonic preservation of sperm, conceptual digital illustration. — Stock Photo
    Cryonic preservation of sperm, conceptual digital illustration.
    Alstroemeria anther and pollen — Stock Photo
    Alstroemeria anther and pollen
    Deformed sperm cell — Stock Photo
    Deformed sperm cell
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Magnified digital illustration of 4 cell stage embryo. — Stock Photo
    Magnified digital illustration of 4 cell stage embryo.
    Human embryo with four cells — Stock Photo
    Human embryo with four 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.
    Human sperm cells — Stock Photo
    Human sperm cells
    Sperm cell, or spermatozoa — Stock Photo
    Sperm cell, or spermatozoa
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Human sperm cells — Stock Photo
    Human sperm cells
    Complex mucosal folding of seminal vesicle — Stock Photo
    Complex mucosal folding of seminal vesicle
    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.
    Fallopian tube cellular structure — Stock Photo
    Fallopian tube cellular structure
    Primary ovarian follicle — Stock Photo
    Primary ovarian follicle
    Secondary follicles in an ovary — Stock Photo
    Secondary follicles in an ovary
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer 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.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    3d illustration of sperm cells on colorful blue background. — Stock Photo
    3d illustration of sperm cells on colorful blue background.
    Magnified digital illustration of 2 cell stage embryo. — Stock Photo
    Magnified digital illustration of 2 cell stage embryo.
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    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.
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Syphilis ulcer on vulva — Stock Photo
    Syphilis ulcer on vulva
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 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.
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    3d illustration of damaged spermatozoon in human sperm. — Stock Photo
    3d illustration of damaged spermatozoon in human sperm.
    Transparent cells on grey background, digital illustration. — Stock Photo
    Transparent cells on grey background, digital illustration.
    Fallopian tube, TEM — Stock Photo
    Fallopian tube, TEM