. "\"Any process that activates or increases the frequency, rate or extent of synaptic growth at neuromuscular junction.\" [GOC:go_curators]" . . "positive regulation of synaptic growth at neuromuscular junction" . "up regulation of synaptic growth at neuromuscular junction" . "up-regulation of synaptic growth at neuromuscular junction" . "upregulation of synaptic growth at neuromuscular junction" . . . . "activation of synaptic growth at neuromuscular junction" . "stimulation of synaptic growth at neuromuscular junction" .