3775
At 6 weeks , animals were killed , and flaps were analyzed for length , width , and weight ; perfused with fluorescein or lead oxide ; and examined histologically .
 Anatomy: flaps
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: flaps