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    Immature dog sperm — Stock Photo
    Immature dog sperm
    Technician working with cell samples in bioengineering laboratory. — Stock Photo
    Technician working with cell samples in bioengineering laboratory.
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    Sperm fertilising an egg — Stock Photo
    Sperm fertilising an egg
    Human sperm cells, abstract computer illustration. — Stock Photo
    Human sperm cells, abstract computer illustration.
    Male scientist using computer. — Stock Photo
    Male scientist using computer.
    Passion flower pollen — Stock Photo
    Passion flower pollen
    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.
    Sperm cells, abstract digital illustration. — Stock Photo
    Sperm cells, abstract digital illustration.
    Human sperm cells, abstract computer illustration. — Stock Photo
    Human sperm cells, abstract computer illustration.
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Coloured scanning electron micrograph (SEM) of stubble on a man's face. — Stock Photo
    Coloured scanning electron micrograph (SEM) of stubble on a man's face.
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    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.
    Human sperm cells, abstract computer illustration. — Stock Photo
    Human sperm cells, abstract computer illustration.
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    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.
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    Human sperm cells, abstract computer illustration. — Stock Photo
    Human sperm cells, abstract computer illustration.
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Deformed sperm cell — Stock Photo
    Deformed sperm cell
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Sperm cells in seminiferous tubule — Stock Photo
    Sperm cells in seminiferous tubule
    Sperm cell, or spermatozoa — Stock Photo
    Sperm cell, or spermatozoa
    Sperm cell, or spermatozoa — Stock Photo
    Sperm cell, or spermatozoa
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    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.
    Sperm cells, abstract digital illustration. — Stock Photo
    Sperm cells, abstract digital illustration.
    Rapeseed pollen grain — Stock Photo
    Rapeseed pollen grain
    Duct is lined with pseudostratified epithelium — Stock Photo
    Duct is lined with pseudostratified epithelium
    Pollen grains of mimosa flowers, digital illustration. — Stock Photo
    Pollen grains of mimosa flowers, digital illustration.
    Human sperm cells, abstract computer illustration. — Stock Photo
    Human sperm cells, abstract computer illustration.
    Artwork of human fertilization — Stock Photo
    Artwork of human fertilization
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Portrait confident female scientist researching coronavirus — Stock Photo
    Portrait confident female scientist researching coronavirus
    Geranium sp. pollen grain — Stock Photo
    Geranium sp. pollen grain
    Dermatologist applying facial microdermabrasion treatment on man in clinic, close-up. — Stock Photo
    Dermatologist applying facial microdermabrasion treatment on man in clinic, close-up.
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Alstroemeria anther and pollen — Stock Photo
    Alstroemeria anther and pollen
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    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
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    Abutilon pollen grain — Stock Photo
    Abutilon pollen grain
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Sperm cells, abstract digital illustration. — Stock Photo
    Sperm cells, abstract digital illustration.
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    Angel trumpets pollen — Stock Photo
    Angel trumpets pollen