9747
These results indicate that calpains , activated by the massive calcium influx from the extracellular medium , target fundamental components of neuronal cytoskeleton such as spectrin and neurofilaments , whose cleavage is functional to the ensuing nerve terminal fragmentation .
 Chemical: calcium
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: calcium