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265 results

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    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Secondary follicles in an ovary — Stock Photo
    Secondary follicles in an ovary
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Colored scanning electron micrograph of immature pig sperm from epididymis. — Stock Photo
    Colored scanning electron micrograph of immature pig sperm from epididymis.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    3d illustration of transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of transparent sperm cells swimming towards egg cell.
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Parasites attacking female egg cell, digital illustration. — Stock Photo
    Parasites attacking female egg cell, digital illustration.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Parasites attacking spermatozoons fertilizing egg cell. — Stock Photo
    Parasites attacking spermatozoons fertilizing egg cell.
    Parasites attacking female egg cell, digital illustration. — Stock Photo
    Parasites attacking female egg cell, digital illustration.
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Abutilon pollen grain — Stock Photo
    Abutilon pollen grain
    Flowering currant pollen — Stock Photo
    Flowering currant pollen
    Transparent cells on purple background, digital illustration. — Stock Photo
    Transparent cells on purple background, digital illustration.
    Breast tissue showing adenocarcinoma — Stock Photo
    Breast tissue showing adenocarcinoma
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Sperm cells in seminiferous tubule — Stock Photo
    Sperm cells in seminiferous tubule
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Illustration of a 8 cell stage egg on black background. — Stock Photo
    Illustration of a 8 cell stage egg on black background.
    3d illustration of damaged spermatozoon in human sperm. — Stock Photo
    3d illustration of damaged spermatozoon in human sperm.
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Daisy pollen grain — Stock Photo
    Daisy pollen grain
    Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organisms, digital illustration.
    Horse chestnut pollen grain — Stock Photo
    Horse chestnut pollen grain
    Illustration of 8 cell stage egg on blue background. — Stock Photo
    Illustration of 8 cell stage egg on blue background.
    Cryonic preservation of sperm, conceptual digital illustration. — Stock Photo
    Cryonic preservation of sperm, conceptual digital illustration.
    3d illustration of sperm cells on colorful blue background. — Stock Photo
    3d illustration of sperm cells on colorful blue background.
    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.
    Transparent cells on white background, digital illustration. — Stock Photo
    Transparent cells on white background, digital illustration.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Colored scanning electron micrograph of immature pig sperm from epididymis. — Stock Photo
    Colored scanning electron micrograph of immature pig sperm from epididymis.
    3d illustration of transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of transparent sperm cells swimming towards egg cell.
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Transparent sperm cells moving towards round blue coloured egg cell. — Stock Photo
    Transparent sperm cells moving towards round blue coloured egg cell.
    Duct is lined with pseudostratified epithelium — Stock Photo
    Duct is lined with pseudostratified epithelium
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Magnified digital illustration of 4 cell stage embryo. — Stock Photo
    Magnified digital illustration of 4 cell stage embryo.
    Human embryo with four cells — Stock Photo
    Human embryo with four cells
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Human sperm cells — Stock Photo
    Human sperm cells
    Epithelium from a fallopian tube — Stock Photo
    Epithelium from a fallopian tube
    Pollen grains of mimosa flowers, digital illustration. — Stock Photo
    Pollen grains of mimosa flowers, digital illustration.
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Human sperm approaching egg cell, digital illustration. — Stock Photo
    Human sperm approaching egg cell, digital illustration.
    Female reproductive system — Stock Photo
    Female reproductive system
    Alstroemeria anther and pollen — Stock Photo
    Alstroemeria anther and pollen
    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
    Primary ovarian follicle — Stock Photo
    Primary ovarian follicle
    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.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    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.
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.