Timeline of Events in Human Neural Development
This simplified overview graph shows broad events of neural development classified by proliferation, migration, differentiation and metabolism.
Note the long time course of neural development and that this process continues postnatally. This long timeline means that the nervous system has one of the longest critical periods of development, and the events shown above can be affected by specific teratogens either before or during their window of development.
- 19 weeks (GA 21 weeks) - at the end of neuronal migration, radial glial cells transformation into astrocytes and astrocytic precursors. PMID: 3339373
|Critical Period Links: critical period | abnormal development | Critical Periods table | Image - Critical Periods table | Genital | Opioids | Neural | Thalidomide | Environmental|
|Neural Links: ectoderm | neural | neural crest | ventricular | sensory | Stage 22 | gliogenesis | neural fetal | Medicine Lecture - Neural | Lecture - Ectoderm | Lecture - Neural Crest | Lab - Early Neural | neural abnormalities | folic acid | iodine deficiency | Fetal Alcohol Syndrome | Postnatal | Postnatal - Neural Examination | Histology | Historic Neural | Category:Neural|
Evrard P. Gadisseux J.-F. and Gressens P. Hypoxia Opportunism During Brain Development. (1993) from: Report of the Workshop on Acute Perinatal Asphyxia in Term Infants, U.S. Department of Health and Human Services, Public Health Service, NIH, National Institute of Child Health and Human Development. August 30-31, 1993.
Original File name: https://www.nichd.nih.gov/publications/pubs/acute/PublishingImages/p44_5.gif
Kadhim HJ, Gadisseux JF & Evrard P. (1988). Topographical and cytological evolution of the glial phase during prenatal development of the human brain: histochemical and electron microscopic study. J. Neuropathol. Exp. Neurol. , 47, 166-88. PMID: 3339373
Cite this page: Hill, M.A. (2019, July 22) Embryology Neural-development.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Neural-development.jpg
- © Dr Mark Hill 2019, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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