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In a first experiment , we searched for differences in glomerular ultrastructure and peripheral neurogenesis between WT and STOP null mice : a first group of 24 mice , 3 - to 6 - month - old , was used for ultrastructural study of the OBs ; a second group of 13 animals was used to analyse proliferation and apoptosis in the OE and VNE on paraffin sections in 3 - month - old mice .
 glomerular, OE, VNE, paraffin sections
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 glomerular, OE, VNE, paraffin sections