Definition

1. Noun:
   • A broad transverse nerve tract connecting the two cerebral hemispheres: The corpus callosum is a thick band of nerve fibers located beneath the cerebral cortex. Its primary function is to facilitate communication and integration of information between the left and right hemispheres of the brain.

Usage Examples

• Noun:
  • The neurosurgeon carefully avoided the corpus callosum during the procedure.
  • Agenesis of the corpus callosum is a rare birth defect where this structure is partially or completely absent.
  • Studies show that the corpus callosum is larger in musicians, suggesting enhanced interhemispheric connectivity.

Advanced Usage

• "Sectioning the corpus callosum": Refers to a surgical procedure, a corpus callosotomy, sometimes performed to treat severe epilepsy.

  • In some intractable cases, sectioning the corpus callosum can reduce the severity of seizures.

• "Integrity of the corpus callosum": Used in neurological contexts to discuss the health and proper functioning of this structure.

  • MRI scans are used to assess the integrity of the corpus callosum.

Variants and Related Words

• Callosal (adj): Pertaining to the corpus callosum.

  • The patient exhibited callosal disconnection symptoms.

• Corpus callosotomy (n): The surgical procedure of cutting the corpus callosum.

  • Corpus callosotomy is considered a treatment of last resort.

Synonyms

• Commissure: A more general term for a bundle of nerve fibers that crosses the midline of the brain; the corpus callosum is the largest commissure.
• Interhemispheric bridge: A descriptive term emphasizing its connecting function.

Related Phrases

• Corpus callosum development: The process of its formation, often discussed in prenatal and childhood neurology.

  • Abnormal corpus callosum development can be detected via fetal ultrasound.

• Corpus callosum morphology: Refers to its shape, size, and structure.

  • The research focused on differences in corpus callosum morphology between the study groups.

Noun

1. a broad transverse nerve tract connecting the two cerebral hemispheres