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265 results

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    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
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Human sperm cells — Stock Photo
    Human sperm cells
    Illustration of human egg cell and sperm on blue background. — Stock Photo
    Illustration of human egg cell and sperm on blue background.
    Syphilis ulcer on vulva — Stock Photo
    Syphilis ulcer on vulva
    Colored scanning electron micrograph of pollen grains from Nymphaeaceae water lily flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from Nymphaeaceae water lily flower.
    Illustration of 2 cell stage egg on black background. — Stock Photo
    Illustration of 2 cell stage egg on black background.
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish. — Stock Photo
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish.
    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.
    In vitro fertilization process, digital artwork. — Stock Photo
    In vitro fertilization process, digital artwork.
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 cell stage egg on blue background.
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Climbing lily pollen — Stock Photo
    Climbing lily pollen
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    3d illustration of damaged spermatozoon in human sperm. — Stock Photo
    3d illustration of damaged spermatozoon in human sperm.
    Illustration of 2 cell stage egg on blue background. — Stock Photo
    Illustration of 2 cell stage egg on blue background.
    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    Primary ovarian follicle — Stock Photo
    Primary ovarian follicle
    Transparent cells on grey background, digital illustration. — Stock Photo
    Transparent cells on grey background, digital illustration.
    Close-up illustration of pollen grain of mimosa and mimosa flowers. — Stock Photo
    Close-up illustration of pollen grain of mimosa and mimosa flowers.
    Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organisms, digital illustration.
    3d illustration of sperm cells on blue background. — Stock Photo
    3d illustration of sperm cells on blue background.
    Uterine cancer. Computer illustration showing a cancerous tumour in the uterus and a close-up view of a cancer cell — Stock Photo
    Uterine cancer. Computer illustration showing a cancerous tumour in the uterus and a close-up view of a cancer cell
    Surface of a fallopian tube — Stock Photo
    Surface of a fallopian tube
    Magnified digital illustration of 16 cell stage embryo. — Stock Photo
    Magnified digital illustration of 16 cell stage embryo.
    Ovarian cells section — Stock Photo
    Ovarian cells section
    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 sperm cells approaching egg cell on colorful blue background. — Stock Photo
    3d illustration of sperm cells approaching egg cell on colorful blue background.
    Cryonic preservation of sperm, conceptual digital illustration. — Stock Photo
    Cryonic preservation of sperm, conceptual digital illustration.
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. 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.
    Pollen grains of mimosa flower, digital illustration. — Stock Photo
    Pollen grains of mimosa flower, digital illustration.
    Magnified digital illustration of 8 cell stage embryo. — Stock Photo
    Magnified digital illustration of 8 cell stage embryo.
    Transparent cells on white background, digital illustration. — Stock Photo
    Transparent cells on white background, digital illustration.
    Colored scanning electron micrograph of immature pig sperm from epididymis. — Stock Photo
    Colored scanning electron micrograph of immature pig sperm from epididymis.
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organisms, digital illustration.
    Syphilis ulcer on vulva — Stock Photo
    Syphilis ulcer on vulva
    Passion flower pollen — Stock Photo
    Passion flower 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.
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    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).
    Illustration of 4 cell stage egg on black background. — Stock Photo
    Illustration of 4 cell stage egg on black background.
    Digital illustration of Acanthamoeba castellanii amoebas on white background. — Stock Photo
    Digital illustration of Acanthamoeba castellanii amoebas on white background.
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Colored scanning electron micrograph of pollen grains from marigold flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from marigold flower.
    3d illustration of sperm cells frozen into ice cubes. — Stock Photo
    3d illustration of sperm cells frozen into ice cubes.
    Surface of a fallopian tube — Stock Photo
    Surface of a fallopian tube
    3d illustration of sperm cells on pink background. — Stock Photo
    3d illustration of sperm cells on pink background.
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Primula pollen grain — Stock Photo
    Primula pollen grain
    Parasites attacking spermatozoons fertilizing egg cell. — Stock Photo
    Parasites attacking spermatozoons fertilizing egg cell.