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265 results

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    Normal sperm cells — Stock Photo
    Normal sperm cells
    Human sperm cells — Stock Photo
    Human sperm cells
    Human sperm cells — Stock Photo
    Human sperm cells
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Human sperm cells — Stock Photo
    Human sperm cells
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Daffodil pollen structure and shape — Stock Photo
    Daffodil pollen structure and shape
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    3d illustration of sperm cells on colorful blue background. — Stock Photo
    3d illustration of sperm cells on colorful blue background.
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    Fallopian tube, TEM — Stock Photo
    Fallopian tube, TEM
    Horse chestnut pollen grain — Stock Photo
    Horse chestnut pollen grain
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    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.
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Pollen grains of mimosa flower, digital illustration. — Stock Photo
    Pollen grains of mimosa flower, digital illustration.
    In vitro fertilization process, digital artwork. — Stock Photo
    In vitro fertilization process, digital artwork.
    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).
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    Colored scanning electron micrograph of immature pig sperm from epididymis. — Stock Photo
    Colored scanning electron micrograph of immature pig sperm from epididymis.
    Pollen grains of mimosa flower, digital illustration. — Stock Photo
    Pollen grains of mimosa flower, digital illustration.
    Transparent cells on grey background, digital illustration. — Stock Photo
    Transparent cells on grey background, digital illustration.
    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.
    Colored scanning electron micrograph of immature pig sperm from epididymis. — Stock Photo
    Colored scanning electron micrograph of immature pig sperm from epididymis.
    Human embryo with four cells — Stock Photo
    Human embryo with four 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.
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Pollen grains of mimosa flower, digital illustration. — Stock Photo
    Pollen grains of mimosa flower, digital illustration.
    Human sperm cells — Stock Photo
    Human sperm cells
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Colored scanning electron micrograph of pollen grains from marigold flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from marigold flower.
    Magnified digital illustration of 16 cell stage embryo. — Stock Photo
    Magnified digital illustration of 16 cell stage embryo.
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Transparent cells on white background, digital illustration. — Stock Photo
    Transparent cells on white background, digital illustration.
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Rapeseed pollen grain — Stock Photo
    Rapeseed 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.
    Geranium sp. pollen grain — Stock Photo
    Geranium sp. pollen grain
    Climbing lily pollen — Stock Photo
    Climbing lily pollen
    Illustration of 8 cell stage egg on blue background. — Stock Photo
    Illustration of 8 cell stage egg on blue background.
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Primary ovarian follicle — Stock Photo
    Primary ovarian follicle
    Alstroemeria anther and pollen — Stock Photo
    Alstroemeria anther and pollen
    Female reproductive system — Stock Photo
    Female reproductive system
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Sperm cell, or spermatozoa — Stock Photo
    Sperm cell, or spermatozoa
    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.
    Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organisms, digital illustration.
    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.
    Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organisms, digital illustration.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    3d illustration of sperm cells moving towards human womb. — Stock Photo
    3d illustration of sperm cells moving towards human womb.