from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biochemistry Any material produced in a
neuronthat activates a neighbouring neuron, muscleor gland; a neurotransmitter
from Wiktionary, Creative Commons Attribution/Share-Alike License
In the pineal gland, in the eye of the mind, were discovered a hormone and a neurohumor which were functionally associated with both kinds of passion.
This difference has caused some people to prefer to speak of acetylcholine as a neurohumor, "humor" being an old-fashioned medical term for a biological fluid (from a Latin word for "moisture").