830
Growth cones of GFP ( C ) and CA - MEK1 expressing neurons were similar and protruded many filopodia ( arrows in Fig . 5C - F ) .
 Anatomy: Growth cones; Anatomy: neurons; Anatomy: filopodia
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: Growth cones; Anatomy: neurons; Anatomy: filopodia