extranigral (English)

Where does "extranigral" come from?

The English adjective 'extranigral' is formed by combining the prefix 'extra-', which is an abbreviation of 'extraordinary'[2], with the adjective 'nigral'[1]. In turn, 'nigral' is constructed from 'nigra' combined with the suffix '-al'[3]. The resulting term means outside of the substantia nigra[1].

Full etymology tree

• extranigral (English), 'Outside of the substantia nigra'
  • prefix extra- (English), 'Outside of, beyond.'
  • affix nigral (English), 'Of or pertaining to the substantia nigra'
    • affix nigra (English), 'A black person.'
      • derived negro (English), 'Relating to a black ethnicity.'
    • suffix -al (English), 'Of or pertaining to. Adjectival suffix appended to various words, often nouns, to produce an adjective form. Often added to words of Latin origin, but used with other words also.'

Ancestors

• extra (English)
• nigral (English)

Related words

• neuron (English)

Sources

1. extranigral (English) - Wiktionary
2. extra (English) - Wiktionary
3. nigral (English) - Wiktionary
4. al (English) - Wiktionary
5. nigra (English) - Wiktionary

Updated October 2026

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Etymology data from Wiktionary, CC BY-SA 4.0 · About Miraris