"activation" - key terms from Wikipedia

activation
activation	codes
activation	domain
activation	during
activation	energy
activation	loop
activation	record
activation	synthesis
activation	volume
b cell activation
brain activation
cell activation
checkpoint activation
chemical activation
contact activation	pathway
following activation
grain activation
immune activation
instant activation
lymphocyte activation
max activation
microglial activation
neutron activation	analysis
platelet activation
product activation
product activation	code
psts activation
receptor activation
t cell activation
transcriptional activation