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  1. Feb 04, 2020 · Overview. Parkinson disease is a slowly progressive disorder that affects movement, muscle control, and balance. Part of the disease process develops as cells are destroyed in certain parts of the brain stem, particularly the crescent-shaped cell mass known as the substantia nigra.

  2. Sebbene, come già detto, la substantia nigra sia assegnata anatomicamente al mesencefalo, in una classificazione fisiologica essa viene funzionalmente considerata come parte dei nuclei della base, che rientrano tra le formazioni grigie ascritte al telencefalo. La funzionalità della sostanza nera è distinta per le due parti che la compongono.

  3. La sustancia negra (Substantia nigra en Latín, también conocida como locus niger) es una porción heterogénea del mesencéfalo, y un elemento importante del sistema de ganglios basales (aunque no se la considere como un núcleo basal como tal).

  4. › wiki › 黒質黒質 - Wikipedia

    黒質(こくしつ substantia nigra = ラテン語で「黒い物質」の意)は中脳の一部を占める神経核である。 黒質は、緻密部と、網様部(および外側部)とによって、大きく二群に大別されるが、いずれも大脳基底核を構成する中心的な要素である。

  5. › mesh › 6801030068010300 - MeSH Result

    Pathologic features include loss of melanin containing neurons in the substantia nigra and other pigmented nuclei of the brainstem. LEWY BODIES are present in the substantia nigra and locus coeruleus but may also be found in a related condition (LEWY BODY DISEASE, DIFFUSE) characterized by dementia in combination with varying degrees of ...

  6. Parkinson's disease (PD) is a neurodegenerative disorder that affects predominately dopamine-producing (“dopaminergic”) neurons in a specific area of the brain called substantia nigra. Symptoms generally develop slowly over years. The progression of symptoms is often a bit different from one person to another due to the diversity of the ...

  7. › wiki › SubstanceSubstance - Wikipedia

    Substance may refer to: . Substance (Jainism), a term in Jain ontology to denote the base or owner of attributes Chemical substance, a material with a definite chemical composition

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