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 ?
Sensory symptoms were found 27% in PMS patients and contributed brain area of corpus callosum, brain stem, periventricle, basal ganglia, white matter and cerebellum.
Cranial MRI showed atrophy of the corpus callosum and cerebral cortex.
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.
There is evidence that the corpus callosum structure (e.g., indexed using DW-MRI) and function (e.g., indexed using TMS) contribute to motor outcome in the chronic phase post stroke.
Shh signaling and NSC transplantation have each been reported to be immunomodulatory and to promote endogenous cell repair in the corpus callosum in experimental demyelination [12-15].
(i) Corpus callosum: the corpus callosum is located in the center of the brain and forms the largest white matter bundle.
Cerebral angiography showed AACA with endoluminal thrombus, about 1 cm of its common origin, reducing the vascular flow completely, determining an ischemic stroke in the frontal lobe bilaterally and anterior regions of the corpus callosum (Figure 2).
Magnetic resonance imaging (MRI) of the cerebrum revealed the hyperintensity in T2-weighted and fluid-attenuated inversion recovery (FLAIR) images of the frontal lobe, parietal lobe, right temporal lobe, corpus callosum, and the periventricular cerebral white matter [Figure 1]a.