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265 results

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    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
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Normal human sperm cells — Stock Photo
    Normal 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
    Horse chestnut pollen grain — Stock Photo
    Horse chestnut pollen grain
    Parasites attacking sperm cell, conceptual illustration. — Stock Photo
    Parasites attacking sperm cell, conceptual illustration.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Magnified digital illustration of 16 cell stage embryo. — Stock Photo
    Magnified digital illustration of 16 cell stage embryo.
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    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.
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Transparent sperm cells moving towards round red colored egg cell, illustration. — Stock Photo
    Transparent sperm cells moving towards round red colored egg cell, illustration.
    3d illustration of damaged spermatozoon in human sperm. — Stock Photo
    3d illustration of damaged spermatozoon in human sperm.
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Deformed sperm cell — Stock Photo
    Deformed sperm cell
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Daisy pollen grain — Stock Photo
    Daisy pollen grain
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Aconite anther and pollen — Stock Photo
    Aconite anther and pollen
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    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.
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Magnified digital illustration of 8 cell stage embryo. — Stock Photo
    Magnified digital illustration of 8 cell stage embryo.
    Syphilis ulcer on vulva — Stock Photo
    Syphilis ulcer on vulva
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Pollen grains of mimosa flower, digital illustration. — Stock Photo
    Pollen grains of mimosa flower, digital illustration.
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Close-up illustration of pollen grain of mimosa and mimosa flowers. — Stock Photo
    Close-up illustration of pollen grain of mimosa and mimosa flowers.
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Illustration of sperm fertilizing human egg cell. — Stock Photo
    Illustration of sperm fertilizing human 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.
    Human embryo with four cells — Stock Photo
    Human embryo with four cells
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    In vitro fertilisation process — Stock Photo
    In vitro fertilisation process
    3d illustration of sperm cells on blue background. — Stock Photo
    3d illustration of sperm cells on blue background.
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Surface of a fallopian tube — Stock Photo
    Surface of a fallopian tube
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    Illustration of 8 cell stage egg on blue background. — Stock Photo
    Illustration of 8 cell stage egg on blue background.