Definition

1. Noun:
   • A striped mass of white and grey matter in the brain: The corpus striatum is a structure located in the forebrain, specifically in front of the thalamus within each cerebral hemisphere. It is characterized by its striped appearance due to alternating bands of grey and white matter. It is a major component of the basal ganglia.

Usage

• The term is used primarily in anatomical, neurological, and medical contexts to describe this specific brain structure.
• It is a singular noun. The plural form is .

Examples

• Noun:
  • The corpus striatum is involved in the regulation of voluntary movement.
  • Degeneration of neurons in the corpus striatum is associated with Huntington's disease.
  • Researchers studied the role of the corpus striatum in habit formation.

Advanced Usage

• Functional Role: In neuroscience, the corpus striatum is often discussed for its critical functions in motor control, procedural learning, and reward systems.
  • Dopamine release in the corpus striatum is crucial for motivation and action selection.

Variants and Related Words

• Striatum (n): A common shorter term for the corpus striatum.
  • The striatum receives input from the cerebral cortex.
• Basal Ganglia (n): A group of subcortical nuclei that includes the corpus striatum.
  • The basal ganglia, including the corpus striatum, are involved in a variety of cognitive and motor functions.

Synonyms

• Striate body: A less common synonym for the corpus striatum.
• Neostriatum: In some classifications, this term refers specifically to the caudate nucleus and putamen, which are parts of the corpus striatum.

Related Phrases / Compound Terms

• Ventral striatum: Refers to a part of the striatum associated with the limbic system and involved in reward and emotion.
  • The nucleus accumbens is a key component of the ventral striatum.
• Dorsal striatum: Refers to a part of the striatum more associated with motor and cognitive functions.
  • The dorsal striatum is implicated in the development of habits.

Noun

1. a striped mass of white and grey matter located in front of the thalamus in each cerebral hemisphere; consists of the caudate nucleus and the lenticular nucleus