3550
A vascular prosthesis needs angiogenesis for endothelialization of the luminal surface , as endothelial cells have natural and permanent antithrombogenic properties .
 Anatomy: vascular; Anatomy: luminal surface; Anatomy: endothelial cells
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: vascular; Anatomy: luminal surface; Anatomy: endothelial cells