907
Defective signalling through the Igf2 / Igf1 - R pathway may represent the primary instrumental anomaly since Igf2 and Igf1 - R protein expressions are already decreased within the GK / Par pancreatic rudiment at E13 , at a time when beta - cell mass ( first wave of beta - cell expansion ) is in fact normal [ 31 ] .
 Anatomy: pancreatic rudiment; Anatomy: beta - cell; Anatomy: beta - cell
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: pancreatic rudiment; Anatomy: beta - cell; Anatomy: beta - cell