neurogenic

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Originating in the nerves or nervous tissue.
• adjective Caused or affected by the nerves or nervous system.

from The Century Dictionary.

• Originating in the nerves or in nervous substance.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective Originating in, or caused by, the nervous system

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective arising in or stimulated by nerve tissues