899
They are known to shorten with each cellular division and , hence , can act as a mitotic clock , registering the number of replicative divisions to have taken place within the cell .
 Anatomy: cellular; Anatomy: 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: cellular; Anatomy: cell