What is another word for locus niger?
Pronunciation: [lˈə͡ʊkəs nˈa͡ɪd͡ʒə] (IPA) 
Locus niger is a latin term that refers to the dark spot or pigmented region that is found in the midbrain. It is also known as substantia nigra and is involved in the regulation of movement, particularly by producing dopamine. There are many synonyms to describe this region - black spot, dark spot, substantia nigra, locus coeruleus, and pars compacta. The term "black spot" is a more simplified synonym for locus niger, while the substantia nigra "black substance" refers to the melanin pigmentation in the area. The locus coeruleus is another term for a similar structure in the brainstem, while the pars compacta refers to the anatomical division of the substantia nigra.
