Neuroanatomy · Nervous System · Hard

Serotonin

Meaning: A neurotransmitter that regulates mood, sleep, and appetite.

In practice: Many antidepressants work by increasing serotonin levels in the brain.

Quick check

Two questions on related neuroanatomy words.

Which word means: A fatty sheath that insulates nerve fibres and speeds up signal transmission.

Which word means: An area of skin supplied by sensory fibres from a single spinal nerve root.

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