corpus callosum

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corpus cal·lo·sum

n. pl. corpora cal·lo·sa (kə-lō′sə)
The arched bridge of nervous tissue that connects the two cerebral hemispheres, allowing communication between the right and left sides of the brain.

[New Latin corpus callōsum : Latin corpus, body + Latin callōsum, neuter of callōsus, callous.]

corpus callosum

n, pl corpora callosa (kəˈləʊsə)
(Anatomy) the band of white fibres that connects the cerebral hemispheres in mammals
[New Latin, literally: callous body]

cor•pus cal•lo•sum

(ˈkɔr pəs kəˈloʊ səm)

n., pl. cor•po•ra cal•lo•sa (ˈkɔr pər ə kəˈloʊ sə)
the thick band of transverse nerve fibers between the two halves of the cerebrum in placental mammals.
[1700–10; < New Latin: literally, firm body]

corpus callosum

The band of nerve fibers joining both hemispheres of the cerebrum.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.corpus callosum - a broad transverse nerve tract connecting the two cerebral hemispherescorpus callosum - a broad transverse nerve tract connecting the two cerebral hemispheres
commissure - a bundle of nerve fibers passing from one side to the other of the brain or spinal cord
forebrain, prosencephalon - the anterior portion of the brain; the part of the brain that develops from the anterior part of the neural tube

cor·pus cal·lo·sum

n. L. corpus callosum, comisura mayor del cerebro.
References in periodicals archive ?
Objective: Why does our brain have two hemispheres and what is the role of connections between them While it is well known that in humans, Each hemisphere has functional specializations, We have little mechanistic understanding of how circuits communicate across the corpus callosum that connects the hemispheres.
Sensory symptoms were found 27% in PMS patients and contributed brain area of corpus callosum, brain stem, periventricle, basal ganglia, white matter and cerebellum.
The Corpus Callosum (CC) has always been the epicentre of a lot of debate and research following a report published by de Lacoste-Utamsing and Holloway [1] that claimed females to have a significantly larger splenium area.
We are ordinarily not aware that our thinking comes from either the left or right brain because the two hemispheres are connected to each other by the corpus callosum, composed of about 300 million neurons or brain cells-which allows the two halves of the brain to communicate to each other.
Often, there is a frontal predominance that may include involvement of the genu of the corpus callosum.
Cranial magnetic resonance imaging (MRI) revealed lesions in the corpus callosum consistent with chronic infarct.
In this group, abnormal high-T2 signals were detected in the corpus callosum (mainly in the splenium), basal ganglia, and dorsal brain stem in all six patients, in the thalamus of five patients (83.
After several CT and MRI scans, it was found Emily was missing her corpus callosum, a broad band of nerve fibres joining the two hemispheres of the brain.
The disconnective syndrome, the consequence of the section of the corpus callosum fibers, it was proven by experimental callosotomy in monkeys (28,29).
Major radiological diagnosis was leukodystrophy in 30% patients followed by cerebral atrophy in 16% patients, congenital malformation (agenesis of corpus callosum, hydrocephalus, dandy walker variant, cerebral aqueduct stenosis etc) in 15% patients and nonspecific findings (basal ganglia calcifications, arachnoid cysts, hemorrhagic infarct) in 6% patients.
People who self-reported using high-potency pot showed signs of damage in the corpus callosum, the major white matter tract connecting the brain's left and right sides.