Term: substantia nigra: 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
Broader: physical entity: an entity that has physical existence | Unrelated: roller coaster: anything characterized by abrupt and extreme changes (especially up and down)
Broader: physical entity: an entity that has physical existence | Unrelated: eumeces: New World skinks
Broader: physical entity: an entity that has physical existence | Unrelated: butterfly flower: any plant of the genus Schizanthus having finely divided leaves and showy variegated flowers
Broader: physical entity: an entity that has physical existence | Unrelated: netting: creating nets
Broader: physical entity: an entity that has physical existence | Unrelated: hyaloid membrane: the transparent membrane enveloping the vitreous humor of the eye and separating it from the retina
Broader: physical entity: an entity that has physical existence | Unrelated: robinia: deciduous flowering trees and shrubs
Broader: physical entity: an entity that has physical existence | Unrelated: flying jib: the outermost of two or more jibs
Broader: physical entity: an entity that has physical existence | Unrelated: surfacing: emerging to the surface and becoming apparent
Broader: physical entity: an entity that has physical existence | Unrelated: medical evacuation: the evacuation of persons (usually by air transportation) to a place where they can receive medical care
Broader: physical entity: an entity that has physical existence | Unrelated: fish family: any of various families of fish