1. 
   Eutely
   Eutelic organisms have a fixed number of cells when they reach maturity, the exact number being constant for any one species. Development proceeds by cell division until maturity; further growth occurs via cell enlargement only. Most eutelic organisms are microscopic: examples include the rotifers,...
   Found op http://en.wikipedia.org/wiki/Eutely
   
   
2. 
   Eutely
   Cell or nuclear constancy; the adult has the same number of nuclei or cells as the first-stage juvenile; eutely may exist in tissues, organs or entire animals.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   

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