Definition of corpus callosum in English:

corpus callosum

noun

Anatomy
  • A broad band of nerve fibres joining the two hemispheres of the brain.

    • ‘In addition, in murderers' brains, the corpus callosum - a band of tissue that links the right and left hemispheres - also functioned poorly.’
    • ‘The great cerebral vein can be seen curving below the splenium of the corpus callosum to empty into the straight sinus.’
    • ‘In this preparation the corpus callosum, caudate nucleus, and most brainstem structures have been removed.’
    • ‘The mass extended into the left hemisphere through the anterior corpus callosum and obliterated the frontal horn of the right lateral ventricle.’
    • ‘In the depths of the specimen it is possible to see the inferior surface of the corpus callosum, to which the body of the fornix is firmly attached.’

Origin

Early 18th century: from corpus and Latin callosum, neuter of callosus ‘tough’.

Pronunciation

corpus callosum

/kəˈləʊsəm/