4357
Changes in expression of different mRNAs were observed in ipsilateral cochlear nucleus and in ipsi - and contralateral inferior colliculus , immediately after acoustic trauma , and after 2 and 4 weeks ' recovery .
 cochlear nucleus, inferior colliculus
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 cochlear nucleus, inferior colliculus