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Unlike the majority of somatic cells , in which hTERT and telomerase activity are generally silent , normal lymphocytes show transient physiological hTERT expression and telomerase activity according to their differentiation / activation status .
 somatic cells, lymphocytes
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 somatic cells, lymphocytes