Figure:
  
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15-18
"The early developmental stages of the embryo showing germ layers, chorionic villi, and other structures."
Copyright © 2008 by Delmar Learning. ALL RIGHTS RESERVED.
Subject:
Obstetrics
Keywords:
"embryo, chorionic villi, chorion, uterus, germ layers"
Caption
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Pickup Source:
 
     
Figure:
 
15-18