noun (plural substantiae nigrae) Etymology: New Latin, literally, black substance Date: circa 1882 a layer of deeply pigmented gray matter situated in the midbrain and containing the cell bodies of a tract of dopamine-producing nerve cells whose secretion tends to be deficient in Parkinson's disease
SUBSTANTIA NIGRA
Meaning of SUBSTANTIA NIGRA in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012