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265 results

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    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Human sperm cells — Stock Photo
    Human sperm cells
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Human sperm cells — Stock Photo
    Human sperm cells
    Human sperm cells — Stock Photo
    Human sperm cells
    Normal sperm cells — Stock Photo
    Normal 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
    Human sperm cells — Stock Photo
    Human sperm cells
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Fungal cells revealing sporangium with spores — Stock Photo
    Fungal cells revealing sporangium with spores
    Geranium sp. pollen grain — Stock Photo
    Geranium sp. pollen grain
    3d illustration of transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of transparent sperm cells swimming towards egg cell.
    Parasites attacking sperm cell, conceptual illustration. — Stock Photo
    Parasites attacking sperm cell, conceptual illustration.
    Colored scanning electron micrograph of immature pig sperm from epididymis. — Stock Photo
    Colored scanning electron micrograph of immature pig sperm from epididymis.
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    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.
    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
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 cell stage egg on blue background.
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Geranium pollen grain — Stock Photo
    Geranium pollen grain
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    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.
    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.
    Fallopian tube cellular structure — Stock Photo
    Fallopian tube cellular structure
    Transparent sperm cells moving towards round red colored egg cell, illustration. — Stock Photo
    Transparent sperm cells moving towards round red colored egg cell, illustration.
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Transparent cells on white background, digital illustration. — Stock Photo
    Transparent cells on white background, digital illustration.
    Pollen grains of mimosa flowers, digital illustration. — Stock Photo
    Pollen grains of mimosa flowers, digital illustration.
    Abutilon sp. pollen grain — Stock Photo
    Abutilon sp. pollen grain
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Epithelial lining of Fallopian tube — Stock Photo
    Epithelial lining of Fallopian tube
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    3d illustration of sperm cells on pink background. — Stock Photo
    3d illustration of sperm cells on pink background.
    Complex mucosal folding of seminal vesicle — Stock Photo
    Complex mucosal folding of seminal vesicle
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish. — Stock Photo
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish.
    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.
    Digital illustration of Acanthamoeba castellanii amoebas. — Stock Photo
    Digital illustration of Acanthamoeba castellanii amoebas.
    Female reproductive system — Stock Photo
    Female reproductive system
    Parasites attacking spermatozoons fertilizing egg cell. — Stock Photo
    Parasites attacking spermatozoons fertilizing egg cell.
    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.
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    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.
    Blood clotting in an ovarian follicle — Stock Photo
    Blood clotting in an ovarian follicle
    Illustration of human egg cell and sperm on blue background. — Stock Photo
    Illustration of human egg cell and sperm on blue background.
    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.
    Colored scanning electron micrograph of pollen grains from marigold flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from marigold flower.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Climbing lily pollen — Stock Photo
    Climbing lily pollen
    Rapeseed pollen grain — Stock Photo
    Rapeseed pollen grain
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.