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substantia nigra pars compacta

compact part of substantia nigra

The pars compacta is the densely packed cellular region of the substantia nigra, lying more or less dorsal to the pars reticulata and extending into it in some species. Dopamine is the dominant neurotransmitter used by its neurons, which separates it functionally from the reticulata, and in many species those neurons are pigmented, the property that gives the substantia nigra its name. Its Latin designation is the compact part of the substantia nigra, and it is classified within the nervous system as a regional part of that structure. The distinction between compacta and reticulata is thus drawn on three grounds at once: cell packing density, position, and transmitter phenotype.

Regional part of substantia nigra consisting of a densely packed region of cells, more or less dorsal to the pars reticulata, but extending into the pars reticulata in some species. The dominant neurotransmitter used by pars compacta neurons is dopamine. Pars compacta neurons are pigmented in many species (MM).

On this page
Tipe Organ
Sistem Tubuh Nervous
Struktur Induk organ part
Nama Latin compact part of substantia nigra
FMA ID 62907

Frequently Asked Questions

What is the substantia nigra pars compacta?

Regional part of substantia nigra consisting of a densely packed region of cells, more or less dorsal to the pars reticulata, but extending into the pars reticulata in some species. The dominant neurotransmitter used by pars compacta neurons is dopamine. Pars compacta neurons are pigmented in many s

What body system is the substantia nigra pars compacta part of?

The substantia nigra pars compacta is part of the Nervous.

What is the Latin name for the substantia nigra pars compacta?

The Latin name for the substantia nigra pars compacta is compact part of substantia nigra.

References

  1. Foundational Model of Anatomy — FMA:62907 Reference anatomy ontology (University of Washington)
  2. UBERON — UBERON:0001965 Cross-species anatomy ontology (EMBL-EBI Ontology Lookup Service)

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This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical decisions.

Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.