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    Colored scanning electron micrograph of pollen grains from marigold flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from marigold flower.
    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
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    3d illustration of sperm cells frozen into ice cubes. — Stock Photo
    3d illustration of sperm cells frozen into ice cubes.
    Digital illustration showing vaginitis caused by Candida albicans fungus and close-up of yeast cells. — Stock Photo
    Digital illustration showing vaginitis caused by Candida albicans fungus and close-up of yeast cells.
    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
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    Human sperm cells and egg cell — Stock Photo
    Human sperm cells and egg cell
    Fungi releasing allergic spores, 3d digital illustration. — Stock Photo
    Fungi releasing allergic spores, 3d digital illustration.
    Illustration of transparent cells with splitting nuclei, cell membrane and visible chromosomes. — Stock Photo
    Illustration of transparent cells with splitting nuclei, cell membrane and visible chromosomes.
    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Molecular model of follicle-stimulating hormone. — Stock Photo
    Molecular model of follicle-stimulating hormone.
    View of Fetus at 25 weeks — Stock Photo
    View of Fetus at 25 weeks
    Human fetus developing at week 25, computer illustration. — Stock Photo
    Human fetus developing at week 25, computer illustration.
    Illustration of human foetus on week 23 term. — Stock Photo
    Illustration of human foetus on week 23 term.
    Ostrich nest with eggs on ground in Tanzania. — Stock Photo
    Ostrich nest with eggs on ground in Tanzania.
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Abstract fungi releasing allergic spores, 3d digital illustration. — Stock Photo
    Abstract fungi releasing allergic spores, 3d digital illustration.
    Illustration of human foetus on week 30 term. — Stock Photo
    Illustration of human foetus on week 30 term.
    Prostate showing a concretion of secretory materials — Stock Photo
    Prostate showing a concretion of secretory materials
    Ovarian cells section — Stock Photo
    Ovarian cells section
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual illustration.
    Illustration of human foetus on week 39 term. — Stock Photo
    Illustration of human foetus on week 39 term.
    3d illustration of sperm cell frozen into ice cube. — Stock Photo
    3d illustration of sperm cell frozen into ice cube.
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    Illustration of human foetus on week 36 term. — Stock Photo
    Illustration of human foetus on week 36 term.
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    Artwork of human fertilization — Stock Photo
    Artwork of human fertilization
    Illustration of red human embryo on black background at pregnancy stage of week 37. — Stock Photo
    Illustration of red human embryo on black background at pregnancy stage of week 37.
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman and looking at computer screen in hospital — Stock Photo
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman and looking at computer screen in hospital
    Human fetus developing at week 20, computer illustration. — Stock Photo
    Human fetus developing at week 20, computer illustration.
    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 human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    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).
    Roquefort cheese and digital illustration of fungus Penicillium roqueforti. — Stock Photo
    Roquefort cheese and digital illustration of fungus Penicillium roqueforti.
    Close-up of mating six spot burnet moths on common thistle flower. — Stock Photo
    Close-up of mating six spot burnet moths on common thistle flower.
    Human fetus developing at week 38, computer illustration. — Stock Photo
    Human fetus developing at week 38, computer illustration.
    View of Fetus at 28 weeks — Stock Photo
    View of Fetus at 28 weeks
    Illustration of silhouette of pregnant woman and 27 week foetus. — Stock Photo
    Illustration of silhouette of pregnant woman and 27 week foetus.
    Fungus releasing spores, computer illustration — Stock Photo
    Fungus releasing spores, computer illustration
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Kingella kingae bacteria, computer illustration. K. kingae is a Gram-negative coccobacillus that is part of the normal flora of children's throats. It can occasionally cause invasive disease, primarily osteomyelitis (bone infection) — Stock Photo
    Kingella kingae bacteria, computer illustration. K. kingae is a Gram-negative coccobacillus that is part of the normal flora of children's throats. It can occasionally cause invasive disease, primarily osteomyelitis (bone infection)
    Human fetus developing at week 19, computer illustration. — Stock Photo
    Human fetus developing at week 19, 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
    Magnified digital illustration of 4 cell stage embryo. — Stock Photo
    Magnified digital illustration of 4 cell stage embryo.
    Magnified digital illustration of 2 cell stage embryo. — Stock Photo
    Magnified digital illustration of 2 cell stage embryo.
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    16-cell morula embryo — Stock Photo
    16-cell morula embryo
    Sperm cell, or spermatozoa — Stock Photo
    Sperm cell, or spermatozoa
    Illustration of human foetus on week 6 of pregnancy. — Stock Photo
    Illustration of human foetus on week 6 of pregnancy.
    Illustration of human foetus on week 10 term. — Stock Photo
    Illustration of human foetus on week 10 term.
    Magnified digital illustration of 8 cell stage embryo. — Stock Photo
    Magnified digital illustration of 8 cell stage embryo.
    Illustration of female silhouette with highlighted uterus. — Stock Photo
    Illustration of female silhouette with highlighted uterus.
    Human fetus developing at week 19, computer illustration. — Stock Photo
    Human fetus developing at week 19, computer illustration.
    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Illustration of silhouette of pregnant woman and 39 week foetus. — Stock Photo
    Illustration of silhouette of pregnant woman and 39 week foetus.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Model of the female reproductive system. — Stock Photo
    Model of the female reproductive system.
    Digital artwork of unicellular yeast fungus Candida auris. — Stock Photo
    Digital artwork of unicellular yeast fungus Candida auris.
    Flowering currant pollen grains — Stock Photo
    Flowering currant pollen grains