2853
We show that LRP - 1 deficiency in murine embryonic fibroblasts ( MEFs ) is associated with increased levels of type III collagen and pigment epithelium - derived factor , which accumulate in the substratum surrounding cells .
 Anatomy: embryonic fibroblasts; Anatomy: MEFs; Anatomy: substratum; Anatomy: cells
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: embryonic fibroblasts, MEFs, substratum, cells 
Answer:
 Anatomy: embryonic fibroblasts; Anatomy: MEFs; Anatomy: substratum; Anatomy: cells