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265 results

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    Milkwort pollen grain — Stock Photo
    Milkwort 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.
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 cell stage egg on blue background.
    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.
    Illustration of 8 cell stage egg on blue background. — Stock Photo
    Illustration of 8 cell stage egg on blue background.
    Egg cells on white background, digital illustration. — Stock Photo
    Egg cells on white background, digital illustration.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Digital illustration of Acanthamoeba castellanii amoebas. — Stock Photo
    Digital illustration of Acanthamoeba castellanii amoebas.
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish. — Stock Photo
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish.
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    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.
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    3d illustration of sperm cells moving towards human womb. — Stock Photo
    3d illustration of sperm cells moving towards human womb.
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    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
    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.
    Magnified digital illustration of 2 cell stage embryo. — Stock Photo
    Magnified digital illustration of 2 cell stage embryo.
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Horse chestnut pollen grain — Stock Photo
    Horse chestnut pollen grain
    Human embryo with four cells — Stock Photo
    Human embryo with four cells
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Aconite anther and pollen — Stock Photo
    Aconite anther and pollen
    Mucosa structure of the cervix — Stock Photo
    Mucosa structure of the cervix
    Syphilis ulcer on vulva — Stock Photo
    Syphilis ulcer on vulva
    Sperm cells in seminiferous tubule — Stock Photo
    Sperm cells in seminiferous tubule
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish. — Stock Photo
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish.
    Angel trumpets pollen — Stock Photo
    Angel trumpets pollen
    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.
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    Illustration of a 8 cell stage egg on black background. — Stock Photo
    Illustration of a 8 cell stage egg on black background.
    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.
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    3d illustration of sperm cells on pink background. — Stock Photo
    3d illustration of sperm cells on pink background.
    Parasites attacking sperm cell, conceptual illustration. — Stock Photo
    Parasites attacking sperm cell, conceptual illustration.
    Fallopian tube cellular structure — Stock Photo
    Fallopian tube cellular structure
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    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.
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Female reproductive system — Stock Photo
    Female reproductive system
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Geranium sp. pollen grain — Stock Photo
    Geranium sp. pollen grain
    Illustration of 4 cell stage egg on black background. — Stock Photo
    Illustration of 4 cell stage egg on black background.
    In vitro fertilisation process — Stock Photo
    In vitro fertilisation process
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Illustration of human egg cell and sperm on blue background. — Stock Photo
    Illustration of human egg cell and sperm on blue background.
    Clematis montana pollen — Stock Photo
    Clematis montana pollen
    3d illustration of sperm cells frozen into ice cubes. — Stock Photo
    3d illustration of sperm cells frozen into ice cubes.
    Pollen grains of mimosa flower, digital illustration. — Stock Photo
    Pollen grains of mimosa flower, digital illustration.
    3d illustration of sperm cells moving towards human womb. — Stock Photo
    3d illustration of sperm cells moving towards human womb.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    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
    Daffodil pollen structure and shape — Stock Photo
    Daffodil pollen structure and shape
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.