excitor

[ ik-sahy-ter, -tawr ]

noun

1. Physiology. a nerve whose stimulation excites greater action.
2. Archaic. an exciter.

excitor

/ ɪkˈsaɪtə /

noun

1. a nerve that, when stimulated, causes increased activity in the organ or part it supplies
2. a variant spelling of exciter

Word History and Origins

Origin of excitor¹

First recorded in 1810–20; excite + -or ²

Example Sentences

It is said also to have an aphrodisiac operation, due to its powers as a cerebral excitor.

From Project Gutenberg

The excitor-motor ganglion is also paralysed, and finally the heart itself; death resulting from heart paralysis.

From Project Gutenberg

Like the other medicines of this order, Ergot is not an excitor of the heart and circulation.

From Project Gutenberg

Whence it became evident that this nerve is not the excitor, but the sensory nerve concerned in glycogenesis.

From Project Gutenberg