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In scrotal hyperthermia , the mitochondrial degeneration , dilatation of smooth endoplasmic reticulum , and enlarged intercellular spaces were observed in both Sertoli and spermatid cells .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None