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Illustrations [1]: Schéma d'un ovule humain [2]

1 cavité [3] amniotique - 2 liquide vitellin - 3 Chorion

Hyperliens

  [1] http://www.imedecin.com/index.php?name=News&catid=6
  [2] http://www.imedecin.com/index.php?name=News&file=article&sid=162
  [3] http://www.imedecin.com/Search-cavité.htm