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    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Illustration of silhouette of pregnant woman and 25 week foetus. — Stock Photo
    Illustration of silhouette of pregnant woman and 25 week foetus.
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower.
    Close-up of leaf beetle eggs attached to thin branch. — Stock Photo
    Close-up of leaf beetle eggs attached to thin branch.
    Green surface and rocks of dirty river with harmful algae blooms — Stock Photo
    Green surface and rocks of dirty river with harmful algae blooms
    Human ovary structure — Stock Photo
    Human ovary structure
    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
    View of Fetus at 7 weeks — Stock Photo
    View of Fetus at 7 weeks
    View of Fetus at 25 weeks — Stock Photo
    View of Fetus at 25 weeks
    Ultrasound suite with equipment in clinic. — Stock Photo
    Ultrasound suite with equipment in clinic.
    Human fetus developing at week 5, computer illustration. — Stock Photo
    Human fetus developing at week 5, computer illustration.
    Illustration of silhouette of pregnant woman and 24 week foetus. — Stock Photo
    Illustration of silhouette of pregnant woman and 24 week foetus.
    Embryo selection for IVF — Stock Photo
    Embryo selection for IVF
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    Digital artwork of unicellular yeast fungus Candida auris. — Stock Photo
    Digital artwork of unicellular yeast fungus Candida auris.
    Human embryo cell, digital illustration. — Stock Photo
    Human embryo cell, digital illustration.
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Abstract pollen grains from various plants differ in size and shape, computer illustration. — Stock Photo
    Abstract pollen grains from various plants differ in size and shape, computer illustration.
    Pollen grains from different plants, computer illustration — Stock Photo
    Pollen grains from different plants, computer illustration
    Human fetus developing at week 9, computer illustration. — Stock Photo
    Human fetus developing at week 9, computer illustration.
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining pregnant woman and looking at computer screen in hospital — Stock Photo
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining pregnant woman and looking at computer screen in hospital
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells. — Stock Photo
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells.
    3d illustration of damaged spermatozoon in human sperm. — Stock Photo
    3d illustration of damaged spermatozoon in human sperm.
    Computer illustration of yeast and hyphae stages of Candida fungi — Stock Photo
    Computer illustration of yeast and hyphae stages of Candida fungi
    Four-cell embryo — Stock Photo
    Four-cell embryo
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual illustration.
    Pollen grains from different plants, computer illustration — Stock Photo
    Pollen grains from different plants, computer illustration
    Human sperm and egg — Stock Photo
    Human sperm and egg
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Illustration of human foetus on week 8 of pregnancy. — Stock Photo
    Illustration of human foetus on week 8 of pregnancy.
    Digital illustration of yeast and hyphae stages of Candida albicans fungus. — Stock Photo
    Digital illustration of yeast and hyphae stages of Candida albicans fungus.
    Primula pollen grain — Stock Photo
    Primula pollen grain
    Human fetus developing at week 30, computer illustration. — Stock Photo
    Human fetus developing at week 30, computer illustration.
    Illustration of red human embryo on black background at pregnancy stage of week 23. — Stock Photo
    Illustration of red human embryo on black background at pregnancy stage of week 23.
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    Illustration of silhouette of pregnant woman and 14 week foetus. — Stock Photo
    Illustration of silhouette of pregnant woman and 14 week foetus.
    Meiotic cell division — Stock Photo
    Meiotic cell division
    Human fetus developing at week 6, computer illustration. — Stock Photo
    Human fetus developing at week 6, computer illustration.
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    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
    3d digital illustration of unicellular yeast fungus Candida auris. — Stock Photo
    3d digital illustration of unicellular yeast fungus Candida auris.
    Parasites attacking sperm cell, conceptual illustration. — Stock Photo
    Parasites attacking sperm cell, conceptual illustration.
    Illustration of silhouette of pregnant woman with visible uterus and 4 cell stage embryo. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and 4 cell stage embryo.
    3d digital illustration of unicellular yeast fungus Candida auris. — Stock Photo
    3d digital illustration of unicellular yeast fungus Candida auris.
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    Fertilization of healthy human egg — Stock Photo
    Fertilization of healthy human egg
    Fungal fruiting bodies, digital illustration. — Stock Photo
    Fungal fruiting bodies, digital illustration.
    Human fetus developing at week 23, computer illustration. — Stock Photo
    Human fetus developing at week 23, computer illustration.
    Pollen grains of a common daisy — Stock Photo
    Pollen grains of a common daisy
    Sperm fertilizing an egg cell — Stock Photo
    Sperm fertilizing an egg cell
    View of Fetus at 35 weeks — Stock Photo
    View of Fetus at 35 weeks
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    France, Burgundy, Yonne. Area of Saint Fargeau and Boutissaint. Slab season. Stag striking its wood against the trunk of tree. — Stock Photo
    France, Burgundy, Yonne. Area of Saint Fargeau and Boutissaint. Slab season. Stag striking its wood against the trunk of tree.
    View of Full-term fetus — Stock Photo
    View of Full-term fetus
    Illustration of female silhouette with highlighted uterus. — Stock Photo
    Illustration of female silhouette with highlighted uterus.
    Human fetus developing at week 33, computer illustration. — Stock Photo
    Human fetus developing at week 33, computer illustration.
    Artwork of human fertilization — Stock Photo
    Artwork of human fertilization
    Human embryo cell, digital illustration. — Stock Photo
    Human embryo cell, digital illustration.
    This Lei Triggerfish (Sufflamen bursa) with partially erected dorsal fin spines was photographed underwater just offshore of Kihei, Maui, Hawaii, USA. It is circling above a small area suggesting that this is a courtship display; Maui, Hawaii, United — Stock Photo
    This Lei Triggerfish (Sufflamen bursa) with partially erected dorsal fin spines was photographed underwater just offshore of Kihei, Maui, Hawaii, USA. It is circling above a small area suggesting that this is a courtship display; Maui, Hawaii, United