Difference between revisions of "File:Human-critical periods of development.jpg"

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==Critical Periods of Human Development==
 
==Critical Periods of Human Development==
 
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| '''<font color=orangered>Dark Orange = major abnormality</font>''' | '''<font color=orange>Light Orange = minor abnormality</font>'''
* '''<font color=orangered>Dark Orange = major abnormality</font>'''
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* '''<font color=orange>Light Orange = minor abnormality</font>'''
 
 
| The table below identifies approximate windows of time, "critical periods", that following exposure to teratogens can lead to developmental abnormalities (anomalies, congenital).  
 
| The table below identifies approximate windows of time, "critical periods", that following exposure to teratogens can lead to developmental abnormalities (anomalies, congenital).  
  

Revision as of 14:32, 26 February 2015

Critical Periods of Human Development

Light Orange = minor abnormality
The table below identifies approximate windows of time, "critical periods", that following exposure to teratogens can lead to developmental abnormalities (anomalies, congenital).

In general, the effects for each system are more severe (major anomalies) in the embryonic period during organogenesis in the first trimester.

Later teratogen exposure are less severe (minor anomalies) in the fetal period during continued growth and differentiation in the second and third trimester.

This figure is also available as a formatted table.


Links: Table version | Human Abnormal Development | Teratogens | Prenatal Diagnosis

Cite this page: Hill, M.A. (2021, October 17) Embryology Human-critical periods of development.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Human-critical_periods_of_development.jpg

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© Dr Mark Hill 2021, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

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