This page links you to resources covering early development including the reproductive cycle, fertilization, the placenta, the first 4 weeks of development, childbirth and postnatal development.
Click on either the image or link to open the specific pages.
Menstrual Cycle - describes the regular changes that occur in females as part of the reproductive cycle. |
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Week 1 - describes fertilization and related issues. |
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Week 2 - describes the process of embryo implantation during the second week. |
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Week 3 - describes the formation of layers and cavities in the early embryo. |
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Week 4 - describes continued folding and early organ/system formation (old page). Now covered in more detail in System Notes |
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Placenta - is a fetal/maternal organ supporting embryonic development. |
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Parturition - Childbirth is a complex coordinated interaction between the fetus and the mother. |
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Postnatal Development - The embryo then fetus develops in the uterus. After birth development continues for at least 20 more years. |
Development Notes 2 contains information using a number of resources. Serial sections through the embryo, development in other species, molecular development, abnormal development, genes and disease, female/male health, population statistics, law and ethics.
If you have gone through all these pages, now study the Systematic Development of organs and tissues.
For those wanting to see dynamic processes of development (and have a reasonably quick connection) then the Movies pages are good for watching changes occur.
The study of human development has relied extensively on studying the process in other model animals. For those wanting to see the process of development in other species then the other embryos pages are a good start.
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Home Page
Embryo stages
Fetal Dev
Dev Notes 1
Dev Notes 2
System Notes
Acknowledgements
Movies
Audio
News
Class Notes
Serial Images
K12 Students
Abnormal
Prenatal Diagnosis
Animal Embryos
Molecular
Histology
Site Map
Glossary
References
OMIM
Search
School of Med Sci
UNSW Medicine
University of NSW
UNSW Cell Biology
NCBI Books
Dev Biol (Gilbert)
This page links to issues in very early and late development.
After 4 weeks of development specific systems begin to differentiate and these are covered individually on System Notes page.
There is also a second Dev Notes 2 issues page covering: other embryos, genetics, abnormal development and statistics.
Please email Dr Mark Hill if you wish to make a comment about this current project.
