neuromelanin

Noun

Meaning

neuromelanin (countable and uncountable, plural neuromelanins)

A dark pigment present in parts of the brain

Examples

In Parkinson's disease, a disorder that affects neuromotor functioning, there is decreased neuromelanin in the substantia nigra and locus coeruleus as consequence of specific dropping out of dopaminergic and noradrenergic pigmented neurons. Source: Internet

They occur in some red human hair. citation Neuromelanin Neuromelanin (NM) is a dark polymer pigment produced in specific populations of catecholaminergic neurons in the brain. Source: Internet

This hypothesis is supported by the fact that the loss of neuromelanin observed in Parkinson's disease is accompanied by an increase in iron levels in the brain. Source: Internet

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