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    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Human embryonic stem cell on pin tip, conceptual digital artwork. — Stock Photo
    Human embryonic stem cell on pin tip, conceptual digital artwork.
    Computer illustration of yeast and hyphae stages of Candida fungi — Stock Photo
    Computer illustration of yeast and hyphae stages of Candida fungi
    Digital illustration of budding Saccharomyces cerevisiae yeast cells. — Stock Photo
    Digital illustration of budding Saccharomyces cerevisiae yeast cells.
    Illustration of human foetus on week 5 on white background. — Stock Photo
    Illustration of human foetus on week 5 on white background.
    Colored scanning electron micrograph of immature pig sperm from epididymis. — Stock Photo
    Colored scanning electron micrograph of immature pig sperm from epididymis.
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    Antelope buck and doe in a grass field during rut; South Dakota, United States of America — Stock Photo
    Antelope buck and doe in a grass field during rut; South Dakota, United States of America
    Illustration of red human embryo on black background at pregnancy stage of week 20. — Stock Photo
    Illustration of red human embryo on black background at pregnancy stage of week 20.
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Full-term Pregnancy — Stock Photo
    Full-term Pregnancy
    Fungus releasing spores, computer illustration — Stock Photo
    Fungus releasing spores, computer illustration
    View of Fetus at 7 weeks — Stock Photo
    View of Fetus at 7 weeks
    Dolly Varden (southern form; Salvelinus malma lordi) male crosses over a female as part of courtship in an Alaskan stream during autumn; Alaska, United States of America — Stock Photo
    Dolly Varden (southern form; Salvelinus malma lordi) male crosses over a female as part of courtship in an Alaskan stream during autumn; Alaska, United States of America
    Parasites attacking female egg cell, digital illustration. — Stock Photo
    Parasites attacking female egg cell, digital illustration.
    Human embryonic stem cells, digital illustration. — Stock Photo
    Human embryonic stem cells, digital illustration.
    Illustration of silhouette of pregnant woman and 4 week foetus. — Stock Photo
    Illustration of silhouette of pregnant woman and 4 week foetus.
    View of Full-term fetus — Stock Photo
    View of Full-term fetus
    View of Fetus at 11 weeks — Stock Photo
    View of Fetus at 11 weeks
    View of Fetus in the womb — Stock Photo
    View of Fetus in the womb
    View of Fetus at 12 weeks — Stock Photo
    View of Fetus at 12 weeks
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Colored scanning electron micrograph of immature pig sperm from epididymis. — Stock Photo
    Colored scanning electron micrograph of immature pig sperm from epididymis.
    Female doctor in blue uniform and sterile mask examining unrecognizable patient on gynecological chair in fertility clinic — Stock Photo
    Female doctor in blue uniform and sterile mask examining unrecognizable patient on gynecological chair in fertility clinic
    Human fetus developing at week 5, computer illustration. — Stock Photo
    Human fetus developing at week 5, computer illustration.
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Human fetus developing at week 26, computer illustration. — Stock Photo
    Human fetus developing at week 26, computer illustration.
    Human fetus developing at week 31, computer illustration. — Stock Photo
    Human fetus developing at week 31, computer illustration.
    Coloured scanning electron micrograph (SEM) of Mould, hyphae, conidiophores (fruiting structures) and conidium (asexual spore) formation (Penicillium sp.;likely Penicillum candidum). — Stock Photo
    Coloured scanning electron micrograph (SEM) of Mould, hyphae, conidiophores (fruiting structures) and conidium (asexual spore) formation (Penicillium sp.;likely Penicillum candidum).
    Abstract female body with visible uterus, digital illustration. — Stock Photo
    Abstract female body with visible uterus, digital illustration.
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Fungus releasing spores, computer illustration — Stock Photo
    Fungus releasing spores, computer illustration
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Human fetus developing at week 36, computer illustration. — Stock Photo
    Human fetus developing at week 36, computer illustration.
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Abortion of human fetus, conceptual digital illustration. — Stock Photo
    Abortion of human fetus, conceptual digital illustration.
    Liquid nitrogen pouring into cryostorage canister. — Stock Photo
    Liquid nitrogen pouring into cryostorage canister.
    Human fetus developing at week 7, computer illustration. — Stock Photo
    Human fetus developing at week 7, computer illustration.
    Fetus in the womb — Stock Photo
    Fetus in the womb
    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 silhouette of pregnant woman with visible uterus and blastocyst. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and blastocyst.
    Human sperm approaching egg cell, digital illustration. — Stock Photo
    Human sperm approaching egg cell, digital illustration.
    Pregnant woman sitting on grass — Stock Photo
    Pregnant woman sitting on grass
    Human fetus developing at week 28, computer illustration. — Stock Photo
    Human fetus developing at week 28, computer illustration.
    Illustration of red human embryo on black background at pregnancy stage of week 30. — Stock Photo
    Illustration of red human embryo on black background at pregnancy stage of week 30.
    Illustration of blue silhouette of obese woman with highlighted uterus on white background. — Stock Photo
    Illustration of blue silhouette of obese woman with highlighted uterus on white background.
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Cryogenic human egg storage for In vitro fertilisation . — Stock Photo
    Cryogenic human egg storage for In vitro fertilisation .
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Human fetus developing at week 30, computer illustration. — Stock Photo
    Human fetus developing at week 30, computer illustration.
    Human fetus developing at week 24, computer illustration. — Stock Photo
    Human fetus developing at week 24, computer illustration.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    France, Burgundy, Yonne. Area of Saint Fargeau and Boutissaint. Slab season. Stag in a wood belling. — Stock Photo
    France, Burgundy, Yonne. Area of Saint Fargeau and Boutissaint. Slab season. Stag in a wood belling.
    Illustration of human foetus on week 8 on black background. — Stock Photo
    Illustration of human foetus on week 8 on black background.
    Computer illustration showing human hair with dandruff and close-up view of microscopic fungi Malassezia furfur associated with seborrhoeic dermatitis and dandruff formation — Stock Photo
    Computer illustration showing human hair with dandruff and close-up view of microscopic fungi Malassezia furfur associated with seborrhoeic dermatitis and dandruff formation
    Illustration of human egg cell on blue background. — Stock Photo
    Illustration of human egg cell on blue background.
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Coloured scanning electron micrograph (SEM) of an anther (male reproductive part) from a bay tree (Laurus nobilis) flower. — Stock Photo
    Coloured scanning electron micrograph (SEM) of an anther (male reproductive part) from a bay tree (Laurus nobilis) flower.
    Computer illustration of unicellular fungus (yeast) Candida auris — Stock Photo
    Computer illustration of unicellular fungus (yeast) Candida auris