3153
The amount of radioactivity released into the medium during the subsequent 24 to 72 h was measured , and it was found that all - trans - RA treatment inhibited degradation of extracellular matrix and type IV collagen by 50 to 60 % .
 Anatomy: extracellular matrix
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: extracellular matrix