317750
His name is associated with " Cyon 's nerve " ( aortic nerve ) , which is a branch of the vagus nerve which terminates in the aortic arch and base of the heart .
 Cyon
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Cyon