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HandWiki. Embryogenesis. Encyclopedia. Available online: https://encyclopedia.pub/entry/33786 (accessed on 25 September 2026).
HandWiki. Embryogenesis. Encyclopedia. Available at: https://encyclopedia.pub/entry/33786. Accessed September 25, 2026.
HandWiki. "Embryogenesis" Encyclopedia, https://encyclopedia.pub/entry/33786 (accessed September 25, 2026).
HandWiki. (2022, November 10). Embryogenesis. In Encyclopedia. https://encyclopedia.pub/entry/33786
HandWiki. "Embryogenesis." Encyclopedia. Web. 10 November, 2022.
Embryogenesis
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The content is sourced from: https://handwiki.org/wiki/Biology:Embryogenesis

Embryogenesis is the process by which the embryo forms and develops. In mammals, the term refers chiefly to early stages of prenatal development, whereas the terms fetus and fetal development describe later stages. Embryogenesis starts with the fertilization of the egg cell (ovum) by a sperm cell, (spermatozoon). Once fertilized, the ovum is referred to as a zygote, a single diploid cell. The zygote undergoes mitotic divisions with no significant growth (a process known as cleavage) and cellular differentiation, leading to development of a multicellular embryo. Although embryogenesis occurs in both animal and plant development, this article addresses the common features among different animals, with some emphasis on the embryonic development of vertebrates and mammals.

fetal development prenatal multicellular

References

  1. Alberts, Bruce; Johnson, Alexander; Lewis, Julian; Raff, Martin; Roberts, Keith; Walter, Peter (2002) (in en). Fertilization. Archived from the original on 2017-05-14. https://web.archive.org/web/20170514114426/https://www.ncbi.nlm.nih.gov/books/NBK26843/. 
  2. What is a cell? 2004. A Science Primer: A Basic Introduction to the Science Underlying NCBI Resources. NCBI; and Campbell, Neil A.; Reece, Jane B.; Biology Benjamin Cummings, Pearson Education 2002. http://www.ncbi.nih.gov/About/primer/genetics_cell.html
  3. "Yahoo". Archived from the original on 2009-12-22. https://web.archive.org/web/20091222222223/http://education.yahoo.com/reference/gray/subjects/subject/6. 
  4. E., Charles (2012-04-20) (in en). Embryogenesis. InTech. doi:10.5772/36871. ISBN 9789535104667. http://www.intechopen.com/books/embryogenesis/human-embryogenesis. 
  5. "The Neural Groove and Tube". Archived from the original on 2007-08-22. https://web.archive.org/web/20070822135819/http://education.yahoo.com/reference/gray/subjects/subject/7. 
  6. "The Primitive Segments". Archived from the original on 2007-09-11. https://web.archive.org/web/20070911054326/http://education.yahoo.com/reference/gray/subjects/subject/9. 
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