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Definitions from the Web

Substancia Nigra

Description:

Substancia Nigra, Latin for "black substance," refers to a critical structure within the midbrain responsible for producing and regulating dopamine - a neurotransmitter involved in various motor and cognitive functions. This region is notably characterized by its dark pigmentation due to the presence of melanin.

Senses and Usages:

Sense 1 - Anatomy:

In anatomy, the term Substancia Nigra specifically designates a specific nucleus located in the midbrain, composed of two distinct parts, pars compacta and pars reticulata. It plays a crucial role in the control of movement, with dysfunction or degeneration of this area being associated with movement disorders such as Parkinson's disease.

Related products on Amazon: Parkinson's Disease Books, Movement Disorders Books.

Sense 2 - Chemistry:

In chemistry, Substancia Nigra represents a specific chemical substance derived from certain plant extracts, often used for its potential pharmacological properties. Please note that this usage is less common compared to its anatomical reference.

Related products on Amazon: Plant Extract Supplements, Pharmacology Books.

Sample Sentences:

• The Substancia Nigra is a vital part of the brain involved in regulating movement and dopamine production.
• Damage to the Substancia Nigra can lead to the typical symptoms of Parkinson's disease.
• Scientists are studying the potential therapeutic effects of Substancia Nigra compounds derived from certain plants.
• She has been reading extensively about movement disorders and the role of the Substancia Nigra.