4942
During trains of supramaximal stimuli at 0 . 1 - 4 Hz stimulus locked excitatory junction currents ( EJCs ) were evoked intermittently from the population of varicosities located under the suction electrode .
 excitatory junction
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 excitatory junction