fasciculation
Concise Oxford English Dictionary © 2008 Oxford University Press:
fasciculation /faˌsɪkjʊˈleɪʃ(ə)n/
▶noun
- 1 Medicine a brief spontaneous contraction affecting a small number of muscle fibres.
- 2 chiefly Biology arrangement in bundles.
'fasciculation' also found in these Oxford entries:

