Physiology. a nerve whose stimulation excites greater action.
Archaic. an exciter.
Origin of excitor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for excitor
Historical Examples of excitor
Whence it became evident that this nerve is not the excitor, but the sensory nerve concerned in glycogenesis.
Like the other medicines of this order, Ergot is not an excitor of the heart and circulation.The Action of Medicines in the System
Frederick William Headland
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012