2293
Interestingly , we found that K5CDK4 mice show a decreased number of pituitary stem cells , even though CDK4 is not expressed in the stem cells but in transit - amplifying ( TA ) - like cells .
 Anatomy: pituitary stem cells; Anatomy: stem cells; Anatomy: transit - amplifying ( TA ) - like 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: pituitary stem cells; Anatomy: stem cells; Anatomy: transit - amplifying ( TA ) - like cells