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265 results

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    Normal sperm cells — Stock Photo
    Normal sperm cells
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Human sperm cells — Stock Photo
    Human sperm cells
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Human sperm cells — Stock Photo
    Human sperm cells
    Human sperm cells — Stock Photo
    Human sperm cells
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    Transparent cells on white background, digital illustration. — Stock Photo
    Transparent cells on white background, digital illustration.
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla). — Stock Photo
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla).
    3d illustration of damaged spermatozoon in human sperm. — Stock Photo
    3d illustration of damaged spermatozoon in human sperm.
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Climbing lily pollen — Stock Photo
    Climbing lily pollen
    Angel trumpets pollen — Stock Photo
    Angel trumpets pollen
    Primary ovarian follicle — Stock Photo
    Primary ovarian follicle
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Magnified digital illustration of 16 cell stage embryo. — Stock Photo
    Magnified digital illustration of 16 cell stage embryo.
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Egg cells on white background, digital illustration. — Stock Photo
    Egg cells on white background, digital illustration.
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organisms, digital illustration.
    Prostate tissue showing Iadenocarcinoma — Stock Photo
    Prostate tissue showing Iadenocarcinoma
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    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.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Normal sperm cells — Stock Photo
    Normal sperm cells
    3d illustration of transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of transparent sperm cells swimming towards egg cell.
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Sperm cell, or spermatozoa — Stock Photo
    Sperm cell, or spermatozoa
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    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
    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.
    Parasites attacking spermatozoons fertilizing egg cell. — Stock Photo
    Parasites attacking spermatozoons fertilizing egg cell.
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 cell stage egg on blue background.
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Human sperm cells — Stock Photo
    Human sperm cells
    Abutilon pollen grain — Stock Photo
    Abutilon pollen grain
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    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 ovary structure — Stock Photo
    Human ovary structure
    Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organisms, digital illustration.
    Cryonic preservation of sperm, conceptual digital illustration. — Stock Photo
    Cryonic preservation of sperm, conceptual digital illustration.
    3d illustration of transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of transparent sperm cells swimming towards egg cell.
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish. — Stock Photo
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish.
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium