Physiology · Nervous System · Easy

Neurotransmitter

Meaning: A chemical messenger released by a nerve cell to pass a signal across a synapse to another cell.

In practice: Dopamine is the neurotransmitter that becomes depleted in patients with Parkinson's disease.

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

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Which word means: The formation and development of new bone tissue by bone-forming cells during growth and healing.

Which word means: A high-energy compound stored in muscle that rapidly regenerates ATP during short bursts of exercise.

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Related words

More physiology terms · All medical words