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207 results

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    Horse chestnut pollen grain — Stock Photo
    Horse chestnut pollen grain
    Epithelium from a fallopian tube — Stock Photo
    Epithelium from a fallopian tube
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Clematis montana pollen — Stock Photo
    Clematis montana pollen
    Illustration of 2 cell stage egg on black background. — Stock Photo
    Illustration of 2 cell stage egg on black background.
    In vitro fertilisation process — Stock Photo
    In vitro fertilisation process
    Geranium sp. pollen grain — Stock Photo
    Geranium sp. pollen grain
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Angel trumpets pollen grain — Stock Photo
    Angel trumpets pollen grain
    Illustration of fertilized human egg cell. — Stock Photo
    Illustration of fertilized human egg cell.
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell. — Stock Photo
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell.
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    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.
    Illustration of sperm fertilizing human egg cell. — Stock Photo
    Illustration of sperm fertilizing human egg cell.
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Illustration of yellow human egg cell on blue background. — Stock Photo
    Illustration of yellow human egg cell on blue background.
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    In vitro fertilisation, computer illustration — Stock Photo
    In vitro fertilisation, computer illustration
    Epithelial lining of Fallopian tube — Stock Photo
    Epithelial lining of Fallopian tube
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Illustration of 8 cell stage egg on blue background. — Stock Photo
    Illustration of 8 cell stage egg on blue background.
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell. — Stock Photo
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell.
    3d illustration of in vitro fertilization of egg cell. — Stock Photo
    3d illustration of in vitro fertilization of egg cell.
    Fallopian tube, TEM — Stock Photo
    Fallopian tube, TEM
    Female reproductive system — Stock Photo
    Female reproductive system
    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.
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Female reproductive system — Stock Photo
    Female reproductive system
    Illustration of 2 cell stage egg on blue background. — Stock Photo
    Illustration of 2 cell stage egg on blue background.
    Human embryo with four cells — Stock Photo
    Human embryo with four cells
    Illustration of human egg cell on blue background. — Stock Photo
    Illustration of human egg cell on blue background.
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Daffodil pollen structure and shape — Stock Photo
    Daffodil pollen structure and shape
    Primary ovarian follicle — Stock Photo
    Primary ovarian follicle
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    Human sperm cells — Stock Photo
    Human sperm cells
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Abutilon sp. pollen grain — Stock Photo
    Abutilon sp. pollen grain
    Flowering currant pollen — Stock Photo
    Flowering currant pollen
    Male sex cell — Stock Photo
    Male sex cell
    Ovarian cells section — Stock Photo
    Ovarian cells section
    Magnified digital illustration of fertilisation of egg cell. — Stock Photo
    Magnified digital illustration of fertilisation of egg cell.
    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    Male sex cell — Stock Photo
    Male sex cell
    Transparent sperm cells moving towards round red colored egg cell, illustration. — Stock Photo
    Transparent sperm cells moving towards round red colored egg cell, illustration.
    Rapeseed pollen grain — Stock Photo
    Rapeseed pollen grain
    Daisy pollen grain — Stock Photo
    Daisy pollen grain
    Human sperm cells — Stock Photo
    Human sperm cells
    Blood clotting in an ovarian follicle — Stock Photo
    Blood clotting in an ovarian follicle