Definition of Substantia nigra

1. Noun. A layer of deeply pigmented grey matter in the midbrain; associated with the striate body; is involved in metabolic disturbances associated with Parkinson's disease and with Huntington's disease.

Exact synonyms: Locus Niger, Nucleus Niger
Generic synonyms: Neural Structure
Group relationships: Mesencephalon, Midbrain



Definition of Substantia nigra

1. Noun. The name given to the dopaminergic pars in the tegmentum, which is naturally colored black. ¹

2. Noun. Another part is the pars reticulata GABAergic close to pallidum ¹

3. Noun. The nucleus which is damaged in the brain of Parkinson's and Parkinsonian patients. ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of Substantia Nigra

subsquare
subsquares
substage
substages
substance
substance abuse
substance abuser
substanceless
substances
substandard
substandardly
substandardness
substant
substantia alba
substantia grisea
substantia nigra (current term)
substantia nigras
substantiae nigrae
substantial
substantialism
substantialisms
substantialities
substantiality
substantialization
substantializations
substantialize
substantialized
substantializes
substantializing
substantially

Literary usage of Substantia nigra

Below you will find example usage of this term as found in modern and/or classical literature:

1. Anatomy: Descriptive and Surgical by Henry Gray, Thomas Pickering Pick (1897)
"They possibly arise from the cells of the substantia nigra. ... The substantia nigra or locus niger is, as already mentioned, a lamina of gray matter ..."

2. An Atlas of the Medulla and Midbrain: A Laboratory Manual by Florence Rena Sabin (1901)
"These structures, lateral from the midbrain sheet, are the substantia nigra (together with a small nucleus possibly derived from it) and the pyramidal tract ..."

3. A Text-book of mental diseases by William Bevan Lewis (1890)
"substantia nigra. The nates and testes have intimate connections through their brachia with the cerebral cortex and retina ; and below, ..."

4. Quain's Elements of Anatomy by Jones Quain, Edward Albert Sharpey-Schäfer, George Dancer Thane, Johnson Symington (1893)
"Close to the substantia nigra, the bundles of white fibres are smaller and ... 131), and the substantia nigra and reticular formation of the bulb and pons. ..."

5. The Anatomy of the central nervous organs in health and disease by Heinrich Obersteiner (1890)
"The cells of the locus coeruleus are distinguished from those of the substantia nigra by their round vesicular form and greater diameter. ..."

6. Neurological Bulletin by Frederick Tilney, Columbia University Dept. of Neurology, Columbia University, Dept. of Neurology (1921)
"groups of cells in the human substantia nigra: a lateral group which is surrounded dorsally by fibers which go to the tegmentum ..."

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