Also found in: Thesaurus, Medical, Legal, Financial, Encyclopedia.
Related to Callosum: thalamus


n.1.(Anat.) The great band commissural fibers which unites the two cerebral hemispheres. See corpus callosum, under Carpus.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The damage occurs in the corpus callosum, the structure that allows communication between the brain's left and right hemispheres.
(11) In this study, remyelinating potential of progesterone in corpus callosum was evaluated after cuprizone-induced demyelination as an experimental model of MS.
Six of these (8.6%) were found to have corpus callosum agenesis (Fig.
What playing musical instruments does that other activities don't is strengthen the corpus callosum that links the hemispheres of the brain by creating new connections.
However, corpus callosum and infratentorial areas are less frequently affected in CADASIL.
The corpus callosum (CC) is known to be the largest white-matter fibre tract in the brain.
The loss of astrocytes, a supporting cell in the brain, was most prominent in the corpus callosum, a part of the brain that bridges the two hemispheres.
Time-by-medication-by-age interaction effects were identified in several association tracts of the left hemisphere and in the lateral aspect of the truncus of the corpus callosum in voxel-based analysis due to a greater increase in FA in MPH-treated boys.
Diffusion magnetic resonance imaging (MRI) revealed a hyperintense lesion in diffusion-weighted images and a hypointense lesion in the corpus callosum splenium, consistent with a slightly restricted diffusion pattern in the apparent diffusion coefficient map (Figure 2A, 2B, 2C).
Subjects who had been exposed to alcohol were more likely to have issues with the corpus callosum, which connects the halves of the brain.
One of the largest differences identified by the team was in an area of the brain called the corpus callosum. The MRI results suggested there was less branching along these fibres, so the connections between the left and right sides of the brain were less efficient in young people.
Fetal MRI showed agenesis of the corpus callosum, ventriculomegaly, hypotelorism, and bilateral congenital cataracts.