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345 results

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    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Blastocyst structure, conceptual computer artwork. — Stock Photo
    Blastocyst structure, conceptual computer artwork.
    Queen bee cones in honeycomb — Stock Photo
    Queen bee cones in honeycomb
    Broom pollen grain — Stock Photo
    Broom pollen grain
    Two-cell embryo — Stock Photo
    Two-cell embryo
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Two-cell embryo — Stock Photo
    Two-cell embryo
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    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 embryonic stem cells, digital illustration. — Stock Photo
    Human embryonic stem cells, digital illustration.
    Illustration of a 8 cell stage egg on black background. — Stock Photo
    Illustration of a 8 cell stage egg on black background.
    Aconite anther and pollen — Stock Photo
    Aconite anther and pollen
    Artwork of human fertilization — Stock Photo
    Artwork of human fertilization
    Human embryonic stem cells, digital illustration. — Stock Photo
    Human embryonic stem cells, digital illustration.
    Human sperm cells — Stock Photo
    Human sperm cells
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Human sperm approaching egg cell — Stock Photo
    Human sperm approaching egg cell
    Sperm fertilizing an egg cell — Stock Photo
    Sperm fertilizing an egg cell
    3d illustration of sperm cell frozen into ice cube. — Stock Photo
    3d illustration of sperm cell frozen into ice cube.
    Magnified digital illustration of 2 cell stage embryo. — Stock Photo
    Magnified digital illustration of 2 cell stage embryo.
    Artwork of a fertilized ovum — Stock Photo
    Artwork of a fertilized ovum
    Broadbean pollen grain — Stock Photo
    Broadbean pollen grain
    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.
    Human x chromosomes — Stock Photo
    Human x chromosomes
    Magnified digital illustration of fertilisation of egg cell. — Stock Photo
    Magnified digital illustration of fertilisation of egg cell.
    Geranium pollen grain — Stock Photo
    Geranium pollen grain
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Parasites attacking female egg cell, digital illustration. — Stock Photo
    Parasites attacking female egg cell, digital illustration.
    Human multi-cellular embryo — Stock Photo
    Human multi-cellular embryo
    Illustration of 4 cell stage egg on black background. — Stock Photo
    Illustration of 4 cell stage egg on black background.
    Human egg cell — Stock Photo
    Human egg cell
    Bag containing donated human blood, placenta and umbilical cord. — Stock Photo
    Bag containing donated human blood, placenta and umbilical cord.
    Human sperm cells — Stock Photo
    Human sperm cells
    Eight-cell embryo — Stock Photo
    Eight-cell embryo
    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.
    Fertilization showing sperm fertilizing an egg — Stock Photo
    Fertilization showing sperm fertilizing an egg
    Daisy pollen grain — Stock Photo
    Daisy pollen grain
    Broom pollen grain — Stock Photo
    Broom pollen grain
    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    Sperm fertilising an egg — Stock Photo
    Sperm fertilising an egg
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 cell stage egg on blue background.
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    Male sex cell — Stock Photo
    Male sex cell
    Female reproductive system — Stock Photo
    Female reproductive system
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    Broadbean pollen grain — Stock Photo
    Broadbean pollen grain
    Human sperm approaching egg cell — Stock Photo
    Human sperm approaching egg cell
    Digital 3d colored illustration of cancer cell in process of mitosis. — Stock Photo
    Digital 3d colored illustration of cancer cell in process of mitosis.
    Sperm cell, or spermatozoa — Stock Photo
    Sperm cell, or spermatozoa
    Illustration of 4 cell stage egg on black background. — Stock Photo
    Illustration of 4 cell stage egg on black background.
    Human sperm cells — Stock Photo
    Human sperm cells
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Destruction of a human embryo — Stock Photo
    Destruction of a human embryo
    Male sex cell — Stock Photo
    Male sex cell