Definition of substantia nigra in English:

substantia nigra

noun səbˈstanʃə ˈnʌɪɡrə

Anatomy

A large nucleus of the midbrain that contains (especially in adult humans) a layer of dark melanin-laden cells, and is a part of the extrapyramidal motor system which is involved in Parkinson's disease and certain other disorders of movement.

Origin

Early 19th century. From scientific Latin substantia nigra, lit. black substance from classical Latin substantia + nigra, feminine of niger black.

Definition of substantia nigra in US English:

substantia nigra

nounsəbˈstanʃə ˈnʌɪɡrə

Anatomy

A large nucleus of the midbrain that contains (especially in adult humans) a layer of dark melanin-laden cells, and is a part of the extrapyramidal motor system which is involved in Parkinson's disease and certain other disorders of movement.

Origin

Early 19th century. From scientific Latin substantia nigra, lit. black substance from classical Latin substantia + nigra, feminine of niger black.

单词	substantia nigra
释义	Definition of substantia nigra in English: substantia nigra noun səbˈstanʃə ˈnʌɪɡrə Anatomy A large nucleus of the midbrain that contains (especially in adult humans) a layer of dark melanin-laden cells, and is a part of the extrapyramidal motor system which is involved in Parkinson's disease and certain other disorders of movement. Origin Early 19th century. From scientific Latin substantia nigra, lit. black substance from classical Latin substantia + nigra, feminine of niger black. Definition of substantia nigra in US English: substantia nigra nounsəbˈstanʃə ˈnʌɪɡrə Anatomy A large nucleus of the midbrain that contains (especially in adult humans) a layer of dark melanin-laden cells, and is a part of the extrapyramidal motor system which is involved in Parkinson's disease and certain other disorders of movement. Origin Early 19th century. From scientific Latin substantia nigra, lit. black substance from classical Latin substantia + nigra, feminine of niger black.
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