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265 results

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    Geranium sp. pollen grain — Stock Photo
    Geranium sp. pollen grain
    Deformed sperm cell — Stock Photo
    Deformed sperm cell
    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.
    Rapeseed pollen grain — Stock Photo
    Rapeseed pollen grain
    Angel trumpets pollen — Stock Photo
    Angel trumpets pollen
    3d illustration of sperm cells moving towards human womb. — Stock Photo
    3d illustration of sperm cells moving towards human womb.
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Colored scanning electron micrograph of immature pig sperm from epididymis. — Stock Photo
    Colored scanning electron micrograph of immature pig sperm from epididymis.
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 cell stage egg on blue background.
    Fungal cells revealing sporangium with spores — Stock Photo
    Fungal cells revealing sporangium with 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.
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Abutilon pollen grain — Stock Photo
    Abutilon pollen grain
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Cryonic preservation of sperm, conceptual digital illustration. — Stock Photo
    Cryonic preservation of sperm, conceptual digital illustration.
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    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.
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.
    Illustration of human egg cell and sperm on blue background. — Stock Photo
    Illustration of human egg cell and sperm on blue background.
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish. — Stock Photo
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish.
    Primary ovarian follicle — Stock Photo
    Primary ovarian follicle
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Pollen grains of a common daisy — Stock Photo
    Pollen grains of a common daisy
    Illustration of 2 cell stage egg on blue background. — Stock Photo
    Illustration of 2 cell stage egg on blue background.
    Parasites attacking female egg cell, digital illustration. — Stock Photo
    Parasites attacking female egg cell, digital illustration.
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Illustration of a 8 cell stage egg on black background. — Stock Photo
    Illustration of a 8 cell stage egg on black background.
    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
    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.
    3d illustration of red transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of red transparent sperm cells swimming towards egg cell.
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    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 embryo with four cells — Stock Photo
    Human embryo with four cells
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    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.
    Flowering currant pollen — Stock Photo
    Flowering currant pollen
    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.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Human ovary structure — Stock Photo
    Human ovary structure
    Parasites attacking sperm cell, conceptual illustration. — Stock Photo
    Parasites attacking sperm cell, conceptual illustration.
    Secondary follicles in an ovary — Stock Photo
    Secondary follicles in an ovary
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    Passion flower pollen — Stock Photo
    Passion flower pollen
    3d illustration of sperm cells on blue background. — Stock Photo
    3d illustration of sperm cells on blue background.
    Illustration of sperm around human egg cell. — Stock Photo
    Illustration of sperm around human egg cell.
    3d illustration of sperm cells on pink background. — Stock Photo
    3d illustration of sperm cells on pink background.
    Blood clotting in an ovarian follicle — Stock Photo
    Blood clotting in an ovarian follicle
    Transparent sperm cells moving towards round blue coloured egg cell. — Stock Photo
    Transparent sperm cells moving towards round blue coloured egg cell.
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female — Stock Photo
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female