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207 results

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    Daffodil pollen structure and shape — Stock Photo
    Daffodil pollen structure and shape
    Human sperm cells — Stock Photo
    Human sperm cells
    Illustration of sperm fertilizing human egg cell. — Stock Photo
    Illustration of sperm fertilizing human egg cell.
    Parasites attacking spermatozoons fertilizing egg cell. — Stock Photo
    Parasites attacking spermatozoons fertilizing egg cell.
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    3d illustration of transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of transparent sperm cells swimming towards egg cell.
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Flowering currant pollen — Stock Photo
    Flowering currant pollen
    Magnified digital illustration of 8 cell stage embryo. — Stock Photo
    Magnified digital illustration of 8 cell stage embryo.
    Blood clotting in an ovarian follicle — Stock Photo
    Blood clotting in an ovarian follicle
    Prostate tissue showing Iadenocarcinoma — Stock Photo
    Prostate tissue showing Iadenocarcinoma
    Magnified digital illustration of 2 cell stage embryo. — Stock Photo
    Magnified digital illustration of 2 cell stage embryo.
    Illustration of pink human egg cell on black background. — Stock Photo
    Illustration of pink human egg cell on black background.
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell. — Stock Photo
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell.
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell. — Stock Photo
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell.
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Primary ovarian follicle — Stock Photo
    Primary ovarian follicle
    Syphilis ulcer on vulva — Stock Photo
    Syphilis ulcer on vulva
    Sperm cells in seminiferous tubule — Stock Photo
    Sperm cells in seminiferous tubule
    Female reproductive system — Stock Photo
    Female reproductive system
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 cell stage egg on blue background.
    Illustration of human egg cell dividing on blue background. — Stock Photo
    Illustration of human egg cell dividing on blue background.
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Illustration of human egg cell on blue background. — Stock Photo
    Illustration of human egg cell on blue background.
    Illustration of human egg cell on blue background. — Stock Photo
    Illustration of human egg cell on blue background.
    Balamuthia mandrillaris amoeba organism, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organism, digital illustration.
    Human ovary structure — Stock Photo
    Human ovary structure
    Angel trumpets pollen — Stock Photo
    Angel trumpets pollen
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Illustration of a 8 cell stage egg on black background. — Stock Photo
    Illustration of a 8 cell stage egg on black background.
    Human sperm cells — Stock Photo
    Human sperm cells
    Transparent sperm cells moving towards round red colored egg cell, illustration. — Stock Photo
    Transparent sperm cells moving towards round red colored egg cell, illustration.
    Epithelium from a fallopian tube — Stock Photo
    Epithelium from a fallopian tube
    Male sex cell — Stock Photo
    Male sex cell
    Balamuthia mandrillaris amoeba organism, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organism, digital illustration.
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell. — Stock Photo
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell.
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Illustration of yellow human egg cell on blue background. — Stock Photo
    Illustration of yellow human egg cell on blue background.
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Male sex cell — Stock Photo
    Male sex cell
    Illustration of sperm around human egg cell. — Stock Photo
    Illustration of sperm around human egg cell.
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Pollen grains of a common daisy — Stock Photo
    Pollen grains of a common daisy
    Illustration of human egg cell and sperm on blue background. — Stock Photo
    Illustration of human egg cell and sperm on blue background.
    Human sperm cells — Stock Photo
    Human sperm cells
    Human embryo with four cells — Stock Photo
    Human embryo with four cells
    3d illustration of in vitro fertilization of egg cell. — Stock Photo
    3d illustration of in vitro fertilization of egg cell.
    Illustration of 4 cell stage egg on black background. — Stock Photo
    Illustration of 4 cell stage egg on black background.
    Fallopian tube, TEM — Stock Photo
    Fallopian tube, TEM
    Digital illustration of pollen grain on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grain on anther of Chinese hibiscus flower.
    Immature dog sperm — Stock Photo
    Immature dog sperm
    3d illustration of sperm cell frozen into ice cube. — Stock Photo
    3d illustration of sperm cell frozen into ice cube.
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Sperm cell, or spermatozoa — Stock Photo
    Sperm cell, or spermatozoa
    Parasites attacking spermatozoons fertilizing egg cell. — Stock Photo
    Parasites attacking spermatozoons fertilizing egg cell.
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    3d illustration of egg cell frozen into ice cube. — Stock Photo
    3d illustration of egg cell frozen into ice cube.
    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.
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain