dentate nucleus

Học thuật
Thân thiện
dentate nucleus

The dentate nucleus is visible in this cross-section of the cerebellum.

Definition
  1. Noun:
    • A large laminar nucleus of grey matter within the white matter of each cerebral hemisphere: The dentate nucleus is a major structure located in the cerebellum, characterized by its folded, tooth-like appearance. It plays a crucial role in coordinating voluntary movements and motor learning.
Examples of Usage
  • Noun:
    • The dentate nucleus is the largest of the deep cerebellar nuclei.
    • Neurons from the dentate nucleus project to the thalamus and then to the motor cortex.
    • Damage to the dentate nucleus can result in ataxia and movement disorders.
Advanced Usage

  • "Dentate nucleus neurons": Refers to the specific nerve cells that make up this structure.

    • The firing patterns of dentate nucleus neurons are modulated during motor tasks.

  • "Dentate nucleus output": Describes the neural signals sent from this nucleus to other brain regions.

    • The dentate nucleus output is essential for the smooth execution of planned movements.
Variants and Related Words

  • Dentate (adj): Having a toothed or serrated edge. In neuroanatomy, it specifically describes the folded, tooth-like morphology of certain structures like the dentate gyrus and dentate nucleus.

    • The dentate appearance of the nucleus is visible under a microscope.

  • Cerebellar nuclei (n): A collective term for the four pairs of deep nuclei embedded in the cerebellar white matter, which include the dentate, emboliform, globose, and fastigial nuclei.

    • The cerebellar nuclei are the primary output centers of the cerebellum.
Synonyms
  • Nucleus dentatus: The Latin term for the dentate nucleus, often used in formal anatomical texts.
Related Phrases
  • "Dentate-rubro-thalamic tract": A major neural pathway originating from the dentate nucleus, synapsing in the red nucleus, and terminating in the thalamus.
    • The dentate-rubro-thalamic tract is a key efferent pathway from the cerebellum.
Related Idioms

(This term is a specific anatomical structure, and there are no common idioms associated with it.)

dentate nucleus

The dentate nucleus is visible in this cross-section of the cerebellum.

Noun
  1. a large laminar nucleus of grey matter within the white matter of each cerebral hemisphere