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fertilization    音标拼音: [f,ɚtəlɪz'eʃən]
n. 使肥沃,土地肥沃法,施肥

使肥沃,土地肥沃法,施肥

fertilization
n 1: creation by the physical union of male and female gametes;
of sperm and ova in an animal or pollen and ovule in a
plant [synonym: {fertilization}, {fertilisation},
{fecundation}, {impregnation}]
2: making fertile as by applying fertilizer or manure [synonym:
{fertilization}, {fertilisation}, {fecundation}, {dressing}]


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  • Fertilization | Steps, Process, Facts | Britannica
    Fertilization, union of a paternal sperm nucleus with a maternal egg nucleus to form the primary nucleus of an embryo In higher organisms the essence of fertilization is the fusion of the hereditary material of two different sex cells
  • What Is Fertilization and How Does It Happen? - What to Expect
    Fertilization is when a man’s sperm combines with a woman's egg to form a single cell It’s one of the first steps toward pregnancy, but there are more hurdles to cross
  • Human fertilization - Wikipedia
    The process of fertilization involves a sperm fusing with an egg cell also known as an ovum The most common sequence begins with ejaculation during copulation, follows with ovulation, and finishes with fertilization
  • Conception: Fertilization, Process When It Happens
    How does conception occur? Conception (or fertilization) is when sperm and an egg join together It’s one of the many steps that happen to create a pregnancy
  • What Are the Steps of Fertilization in Humans? - inviTRA
    Fertilization of the egg is essential for pregnancy to occur The union of the egg and sperm can occur naturally in the fallopian tubes or in vitro in the laboratory Once the egg is fertilized, the zygote is formed, which will divide and move until it reaches the uterus
  • Embryology, Fertilization - StatPearls - NCBI Bookshelf
    Fertilization is a complex multi-step process that is complete in 24 hours The sperm from a male meets an ovum from a female and forms a zygote; this is the point in which pregnancy begins and leads to a 280-day journey for a female
  • Understanding the Human Fertilization Process | Blog
    In this post, we’ll walk through how fertilization works in humans—step by step—including where it happens, how long an egg is viable, and how this process is replicated during in vitro fertilization (IVF)
  • Fertilization | BIO103: Human Biology - Lumen Learning
    Fertilization occurs when a sperm and an oocyte (egg) combine and their nuclei fuse Because each of these reproductive cells is a haploid cell containing half of the genetic material needed to form a human being, their combination forms a diploid cell
  • Understanding Fertilization | Ask A Biologist
    These two ways of fertilization (egg meeting sperm), are called external fertilization and internal fertilization Fusion results in a single cell called a zygote, which has a full paired set of chromosomes A zygote is the cell that will develop into a baby





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