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265 results

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    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Normal sperm cells — Stock Photo
    Normal sperm cells
    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
    Climbing lily pollen — Stock Photo
    Climbing lily pollen
    Female reproductive system — Stock Photo
    Female reproductive system
    Surface of a fallopian tube — Stock Photo
    Surface of a fallopian tube
    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    Sperm cell, or spermatozoa — Stock Photo
    Sperm cell, or spermatozoa
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Daffodil pollen structure and shape — Stock Photo
    Daffodil pollen structure and shape
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Pollen grains of a common daisy — Stock Photo
    Pollen grains of a common daisy
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Epithelial lining of Fallopian tube — Stock Photo
    Epithelial lining of Fallopian tube
    Angel trumpets pollen grain — Stock Photo
    Angel trumpets pollen grain
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    3d illustration of sperm cells moving towards human womb. — Stock Photo
    3d illustration of sperm cells moving towards human womb.
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Epithelium from a fallopian tube — Stock Photo
    Epithelium from a fallopian tube
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    Parasites attacking spermatozoons fertilizing egg cell. — Stock Photo
    Parasites attacking spermatozoons fertilizing egg cell.
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    3d illustration of sperm cells moving towards human womb. — Stock Photo
    3d illustration of sperm cells moving towards human womb.
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    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.
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Syphilis ulcer on vulva — Stock Photo
    Syphilis ulcer on vulva
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    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.
    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.
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    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.
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish. — Stock Photo
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish.
    Parasites attacking sperm cell, conceptual illustration. — Stock Photo
    Parasites attacking sperm cell, conceptual illustration.
    Illustration of human egg cell and sperm on blue background. — Stock Photo
    Illustration of human egg cell and sperm on blue background.
    Illustration of 2 cell stage egg on blue background. — Stock Photo
    Illustration of 2 cell stage egg on blue background.
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending 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.
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Secondary follicles in an ovary — Stock Photo
    Secondary follicles in an ovary
    Illustration of 8 cell stage egg on blue background. — Stock Photo
    Illustration of 8 cell stage egg on blue background.
    Abutilon pollen grain — Stock Photo
    Abutilon pollen grain
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Illustration of 4 cell stage egg on black background. — Stock Photo
    Illustration of 4 cell stage egg on black background.
    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.
    Surface of a fallopian tube — Stock Photo
    Surface of a fallopian tube
    Passion flower pollen — Stock Photo
    Passion flower pollen