1045
After MNNG administration , rats were investigated by endoscopic observation , visualization of microvascular structure , and estimation of lectin binding sites .
 Anatomy: microvascular
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: microvascular 
Answer:
 Anatomy: microvascular