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- https://bio.libretexts.org/Workbench/Principles_of_the_Human_Body/12%3A_Human_Growth_and_Development/12.2%3A_Germinal_StageThe germinal stage of development is the first and shortest of the stages of the human lifespan. The main events in this stage of development are illustrated in the figure below and described in detai...The germinal stage of development is the first and shortest of the stages of the human lifespan. The main events in this stage of development are illustrated in the figure below and described in detail in the rest of this concept. The germinal stage lasts a total of eight to nine days. It begins in a Fallopian tube when an ovum is fertilized by a sperm to form a zygote (day 0). The germinal stage continues as the zygote undergoes several initial cell divisions to a morula.
- https://bio.libretexts.org/Courses/Butte_College/BC%3A_BIOL_2_-_Introduction_to_Human_Biology_(Grewal)/Text/23%3A_Human_Growth_and_Development/23.2%3A_Germinal_StageThis newborn baby is just starting out in life. She has her whole life ahead of her! Actually, that’s not really true. While most of her life is still ahead of her — including life stages of infancy,...This newborn baby is just starting out in life. She has her whole life ahead of her! Actually, that’s not really true. While most of her life is still ahead of her — including life stages of infancy, childhood, adolescence, and adulthood — this newborn baby is not just starting out in life. She’s already nine months old, and what happened to her during those nine months will help shape the rest of her life. Some of the shortest — but most important — life stages occur before birth. These stages
- https://bio.libretexts.org/Bookshelves/Human_Biology/Human_Biology_(Wakim_and_Grewal)/23%3A_Human_Growth_and_Development/23.2%3A_Germinal_StageThe germinal stage of development is the first and shortest of the stages of the human lifespan. The main events in this stage of development are illustrated in the figure below and described in detai...The germinal stage of development is the first and shortest of the stages of the human lifespan. The main events in this stage of development are illustrated in the figure below and described in detail in the rest of this concept. The germinal stage lasts a total of eight to nine days. It begins in a Fallopian tube when an ovum is fertilized by a sperm to form a zygote (day 0). The germinal stage continues as the zygote undergoes several initial cell divisions to a morula.
