Physiology · Nervous System · Medium
Neuropeptide
Meaning: A small protein-like molecule released by nerve cells to influence the activity of other nerve cells.
In practice: Substance P is a neuropeptide involved in transmitting pain signals.
Word parts
- neuro- means nerve
Many medical words are built from Greek and Latin parts like these, so learning a few helps you work out new terms.
Quick check
Two questions on related physiology words.
Which word means: A sensory nerve ending that responds to potentially damaging stimuli and signals pain.
Answer: Nociceptor
Which word means: The widening of blood vessels caused by relaxation of the smooth muscle in their walls.
Answer: Vasodilation
Words like neuropeptide come up in the daily game
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