286140
After entering the thyroid follicle ( or thyroid follicular cell ) via a Na + / I - symporter ( NIS ) on the basolateral side , iodide is shuttled across the apical membrane into the colloid via pendrin , after which thyroid peroxidase oxidize s iodide to atomic iodine ( I ) or iodinium ( I + ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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