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  2. May 20, 2024 · There are three stages of prenatal development: the germinal, embryonic, and fetal stages. The first two weeks after conception are known as the germinal stage, the third through the eighth week is known as the embryonic period, and the time from the ninth week until birth is known as the fetal period.

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  3. Define the germinal stage of human development. Name four processes that occur during the germinal stage. Describe three processes that enable successful fertilization after ovulation occurs and sperm enter the Fallopian tube. What is cleavage? Where does it take place? What is its end result? What is blastulation?

  4. Learn about the three stages of fetal development: germinal, embryonic and fetal. The germinal stage begins at conception and lasts until implantation, when the blastocyst becomes an embryo.

  5. Learn about the three stages of prenatal development: germinal, embryonic, and fetal. Find out what happens to the developing baby in each stage, from conception to birth, and how the environment can affect the outcome.

  6. The germinal stage is the first two weeks of pregnancy, when the zygote forms and implants in the uterus. Learn about the cell division, differentiation, and implantation that occur during this stage.

  7. Apr 17, 2023 · Week 1 is a major part of the germinal stage of development, a period of time that continues from fertilization through uterine implantation.

  8. Learn about the three stages of prenatal development in humans: pre-embryonic, embryonic, and fetal. Find out how fertilization, cleavage, blastulation, and organogenesis occur and what factors influence them.

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