nervous system ner·vous·sys·tem uncommon noun 1. the sensory and control apparatus consisting of a network of nerve cells Synonymsnervous systemsystema nervosum Related words Broader terms system Narrower terms sympathetic nervous systemparasympathetic nervous system Parts body Part of nervous tissueganglionnerve cellfiber bundlecentral nervous systemneural networkperipheral nervous systemautonomic nervous system WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
