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    Pollen grains of mimosa flower, digital illustration. — Stock Photo
    Pollen grains of mimosa flower, digital illustration.
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Human sperm approaching egg cell, digital illustration. — Stock Photo
    Human sperm approaching egg cell, digital illustration.
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Parasites attacking spermatozoons fertilizing egg cell. — Stock Photo
    Parasites attacking spermatozoons fertilizing egg cell.
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Breast tissue showing adenocarcinoma — Stock Photo
    Breast tissue showing adenocarcinoma
    Mucosa structure of the cervix — Stock Photo
    Mucosa structure of the cervix
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Cryonic preservation of sperm, conceptual digital illustration. — Stock Photo
    Cryonic preservation of sperm, conceptual digital illustration.
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Illustration of sperm fertilizing human egg cell. — Stock Photo
    Illustration of sperm fertilizing human egg cell.
    Complex mucosal folding of seminal vesicle — Stock Photo
    Complex mucosal folding of seminal vesicle
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    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.
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Colored scanning electron micrograph of immature pig sperm from epididymis. — Stock Photo
    Colored scanning electron micrograph of immature pig sperm from epididymis.
    Transparent cells on white background, digital illustration. — Stock Photo
    Transparent cells on white background, digital illustration.
    Prostate tissue showing Iadenocarcinoma — Stock Photo
    Prostate tissue showing Iadenocarcinoma
    Epithelium from a fallopian tube — Stock Photo
    Epithelium from a fallopian tube
    Sperm cells in seminiferous tubule — Stock Photo
    Sperm cells in seminiferous tubule
    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.
    Alstroemeria anther and pollen — Stock Photo
    Alstroemeria anther and pollen
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Syphilis ulcer on vulva — Stock Photo
    Syphilis ulcer on vulva
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla). — Stock Photo
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla).
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Angel trumpets pollen grain — Stock Photo
    Angel trumpets pollen grain
    Fallopian tube, TEM — Stock Photo
    Fallopian tube, TEM
    Transparent cells on purple background, digital illustration. — Stock Photo
    Transparent cells on purple background, digital illustration.
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish. — Stock Photo
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish.
    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.
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    Fallopian tube cellular structure — Stock Photo
    Fallopian tube cellular structure
    3d illustration of transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of transparent sperm cells swimming towards egg cell.
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    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 (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Fallopian tube cellular structure — Stock Photo
    Fallopian tube cellular structure
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    3d illustration of sperm cells moving towards human womb. — Stock Photo
    3d illustration of sperm cells moving towards human womb.
    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
    Syphilis ulcer on vulva — Stock Photo
    Syphilis ulcer on vulva
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Surface of a fallopian tube — Stock Photo
    Surface of a fallopian tube
    3d illustration of sperm cells frozen into ice cubes. — Stock Photo
    3d illustration of sperm cells frozen into ice cubes.
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant. — Stock Photo
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant.