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sub·stan·tia ni·gra | \ səb-ˌstan(t)-shē-ə-ˈnī-grə 
, -ˈni- \
, -ˈni- \ plural substantiae nigrae\ səb-ˌstan(t)-chē-ˌē-ˈnī-(ˌ)grē , -ˈni- \
, -ˈni- \Definition of substantia nigra
: 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
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More Definitions for substantia nigra
substantia nigra
nounsub·stan·tia ni·gra | \ səb-ˌstan-chē-ə-ˈnī-grə , -ˈnig-rə \
, -ˈnig-rə \ plural substantiae nigrae\ -chē-ˌē-ˈnī-(ˌ)grē , -ˈnig-(ˌ)rē \
, -ˈnig-(ˌ)rē \Medical Definition of substantia nigra
: 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
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Time Traveler for substantia nigra
The first known use of substantia nigra was in 1809
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